Acquisition method (AMC)
3
FSC 5310 × NUT,PLAIN,EXTENDED WASHER,HEXAGO
NUT,PLAIN,EXTENDED WASHER,HEXAGO
5310-01-550-0598 FSC 5310
NSN 5310-01-550-0598 (also written 5310015500598; NIIN 01-550-0598) is a nut, plain, extended washer, hexago in Federal Supply Class 5310, Nuts and Washers. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
This item is coded to be bought directly from the actual manufacturer (AMC 3).
Suffix (AMSC)
C
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC C: needs engineering source approval; other sources must qualify first. The codes describe the item's status on record, not any one solicitation. What the codes mean
What it is — can you make it?
Dimensions, the FLIS specification requirements, and the manufacturer part numbers already qualified against this NSN.
Specifications
From the federal catalog (DLA FLIS / PUB LOG) — what your part has to meet. Cited specification documents can be looked up in ASSIST Quick Search ↗, DoD's public spec repository — copy the document number in.
| Requirement | Value |
|---|---|
| END ITEM IDENTIFICATION AGAV | 2320-01-529-2249; TRUCK, BOMB SERVICE; MRAP BUFFALO MK2A2 |
Manufacturer part numbers
Commercial part numbers cross-referenced to this NSN in the federal catalog — the parts that have been accepted as satisfying this stock number, and who makes them.
| Part number | CAGE | Manufacturer |
|---|---|---|
| 191AM2 | 89619 | MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS |
| 25089744 | 89619 | MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS |
| 25089744 | Z4117 | VOLVO GROUP GOVERNMENT SALES OCEANI OCEANIA VOLVO GROUP GOVERNMENT SALES |
What it pays — so you can quote
The government's own price and demand record for this NSN — what past awards cleared at, so you know where to land your quote.
Latest unit price
$9.76
Purchases
3
Total spend
$275.95
Oct 16, 2026
Last purchased
8 · 8.0/yr
Purchase records
$681.45
Total demand
$9.76
Latest unit price
Price history with quantity and a typical range
What has the government paid for this item, and was any award out of line? Every award as a dot, Aug 2026 to today.
- Award (bigger dot, bigger quantity)
- Middle half of prices
Most awards fall between $17.14 and $26.26.
Award price calculator
What do the last few awards average, and over what range? Choose how many awards to include.
Average unit price$20.76
Weighted by quantity$13.80
Observed range$9.76 – $28.00
Window coveredAug 2026 – Oct 2026
| Awarded | Quantity | Unit price | Supplier |
|---|---|---|---|
| Oct 2026 | 15 | $9.76 | LARKOS PACKING AND DISTRIBUTION INC. |
| Oct 2026 | 2 | $28.00 | PINES QUALITY INC |
| Aug 2026 | 3 | $24.52 | LARKOS PACKING AND DISTRIBUTION INC. |
Shaded rows are included. This reports past awards and does not suggest a price.
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 15 | $9.76 | $146.40 | LARKOS PACKING AND DISTRIBUTION INC. (6PZL1) | Unknown | Source ↗ |
| Oct 7, 2026 | 2 | $28.00 | $56.00 | PINES QUALITY INC (3B0Y2) | Unknown | Source ↗ |
| Aug 25, 2026 | 3 | $24.5167 | $73.55 | LARKOS PACKING AND DISTRIBUTION INC. (6PZL1) | Unknown | Source ↗ |
Related contract actions
Contract action totals, not unit prices — obligation amounts from USAspending for related awards, shown for context only. These do not appear on the price chart above.
| Action date | Award # | Recipient | Agency | Obligation |
|---|---|---|---|---|
| Aug 25, 2026 | SPE4A026V0797 ↗ | LARKOS PACKING AND DISTRIBUTION INC. | — | $73.55 |
| Aug 25, 2026 | SPE4A026V0797 ↗ | LARKOS PACKING AND DISTRIBUTION INC. | — | $73.55 |
| Oct 7, 2026 | SPE4A027V0037 ↗ | PINES QUALITY INC | — | $56.00 |
| Oct 7, 2026 | SPE4A027V0037 ↗ | PINES QUALITY INC | — | $56.00 |
| Oct 16, 2026 | SPE4A627V0898 ↗ | LARKOS PACKING AND DISTRIBUTION INC. | — | $146.40 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 3 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
Buying rhythm
How often does the government buy this item, and how long since the last time? Every solicitation and award on one line.
- Solicitation posted
- Award made
Dot size shows quantity. A faint bar joins a solicitation to the award made against it.
Time from solicitation to award
How long does a buy take from posting to award? One bar per past award that matches a solicitation.
- Open for quotes
- Closed, awaiting award
The typical buy took 5 days from posting to award.
Who wins this item
Does one supplier win this every time, and are the winners on the listed-source list? One dot per award.
- Award in the last 2 years
- Older award
LARKOS PACKING AND DISTRIBUTION INC.
last award Oct 2026
PINES QUALITY INC
last award Oct 2026
MACK TRUCKS, INC. DBA MACUNGIE OPERATIONS DIV LEHIGH VALLEY OPERATIONS
no award yet
no awards on record
Listed source VOLVO GROUP GOVERNMENT SALES OCEANI OCEANIA VOLVO GROUP GOVERNMENT SALES
no award yet
no awards on record
Listed source LARKOS PACKING AND DISTRIBUTION INC. won 2 of the last 3 awards. LARKOS PACKING AND DISTRIBUTION INC. and 1 other won without being listed sources.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE4A6-27-T-3156 | Oct 13, 2026 | Oct 20, 2026 | 15 | Expired | View at DIBBS → |
| SPE4A0-27-T-0022 | Oct 2, 2026 | Oct 9, 2026 | 2 | Expired | View at DIBBS → |
| SPE4A0-26-T-4358 | Aug 20, 2026 | Aug 27, 2026 | 3 | Expired | View at DIBBS → |
Open RFQs on DIBBS → DIBBS award history ↗
About this data
- Unit prices: DLA DIBBS award records — every row links to its government record.
- AMSC: latest observed value from DIBBS solicitation history as of Oct 10, 2026.
- Contract action totals: USAspending, context only.
- Data last refreshed: 2026-11-01.
- Full methodology →
Cite this page
Citation
NSN Explorer. "NUT,PLAIN,EXTENDED WASHER,HEXAGO." nsnexplorer.com, https://nsnexplorer.com/nsn/5310-01-550-0598/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5310-01-550-0598/