Acquisition method (AMC)
3
FSC 4730 × PACKING NUT
PACKING NUT
4730-00-172-0528 FSC 4730
NSN 4730-00-172-0528 (also written 4730001720528; NIIN 00-172-0528) is a packing nut in Federal Supply Class 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Sep 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)
D
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC D: the data needed to compete the part is unavailable or cannot be obtained economically. 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 |
|---|---|
| OVERALL LENGTH ABHP | INCHES NOMINAL 0.562 |
| HOLE OR SLOT QUANTITY ABKT | 2 |
| THREAD SIZE ABUJ | 1.125-16 |
| THREAD CLASS AAJD | 2A |
| THREAD DIRECTION AAJF | RIGHT-HAND |
| THREAD LENGTH AASA | INCHES NOMINAL 0.281 |
| CASEHARDENING INDICATOR AASG | NOT CASE-HARDENED |
| SLOT WIDTH ABGC | INCHES NOMINAL 0.203 |
| STYLE DESIGNATOR STYL | — |
| MATERIAL MATT | STEEL |
| MAJOR UNTHREADED OUTSIDE DIAMETER CFQG | INCHES NOMINAL 1.234 |
| SCREW THREAD SERIES DESIGNATOR AJYP | UN |
| SCREW THREAD LOCATION BBMM | EXTERNAL |
| SMALLEST INSIDE DIAMETER BSPX | INCHES NOMINAL 0.438 |
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 |
|---|---|---|
| 100194122 | D9448 | RHEINMETALL LANDSYSTEME GMBH |
| 4730001720528 | A00AM | E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES |
| 5174436 | 24617 | GENERAL MOTORS CORP |
| 5174436 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC |
| 5174436 | T0720 | FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI |
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
$160.00
Purchases
1
Total spend
$3,200
Sep 8, 2026
Last purchased
2 · 2.0/yr
Purchase records
$6,400
Total demand
$160.00
Latest unit price
Purchase history
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 |
|---|---|---|---|---|
| Sep 8, 2026 | SPE7M326V4443 ↗ | — | — | $3,200 |
Demand history
Every solicitation we've indexed for this NSN, open and closed — 1 on record. Closed RFQs (expired, cancelled, or awarded) stay here as a record of past demand; they never get removed.
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
CAGE 2A860
last award Sep 2026
E.C.A ETABLISSEMENT CENTRAL DES APPROVISIONNEMENTS DES FORCES ARMEES ROYALES
no award yet
no awards on record
Listed source FNSS SAVUNMA SISTEMLERI ANONIM SIRKETI
no award yet
no awards on record
Listed source GENERAL MOTORS CORP
no award yet
no awards on record
Listed source RHEINMETALL LANDSYSTEME GMBH
no award yet
no awards on record
Listed source ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC
no award yet
no awards on record
Listed source CAGE 2A860 won the only award on record. CAGE 2A860 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7M3-26-T-8645 | Aug 27, 2026 | Sep 8, 2026 | 20 | 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: 2026-10-24.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PACKING NUT." nsnexplorer.com, https://nsnexplorer.com/nsn/4730-00-172-0528/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/4730-00-172-0528/