Acquisition method (AMC)
3
FSC 6630 × BUFFER SOLUTION,STANDARD
BUFFER SOLUTION,STANDARD
6630-01-693-3814 FSC 6630
NSN 6630-01-693-3814 (also written 6630016933814; NIIN 01-693-3814) is a buffer solution, standard in Federal Supply Class 6630, Chemical Analysis Instruments. 3 manufacturer part numbers from 3 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)
Z
Competition
Coded for a named source
AMC 3: buy directly from the actual manufacturer, second or later time. AMSC Z: a commercial, nondevelopmental or off-the-shelf item. 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 |
|---|---|
| PHYSICAL FORM AGXW | LIQUID |
| PRIMARY CONTAINER TYPE CQCT | BOTTLE |
| TOTAL PRIMARY CONTAINER QUANTITY CSCW | 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | BUFFER SOLUTION 500ML BOTTLE |
| SPECIAL FEATURES FEAT | BUFFER SOLN, RED PH4.01 500ML. PH BUFFER STANDARD SOLUTION FOR LABORATORY AND FIELD ANALYSES; PH 4.01 0.02. COLOR-CODED PH. DESIGNED FOR USE WITH HACH METERS PORTFOLIO AND OTHER METERS. STORE 10 TO 25 DEGREES CELSIUS, PROTECT FROM LIGHT. |
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 |
|---|---|---|
| 1590021 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
| 2283449 | 91224 | HACH COMPANY DBA HACH CO |
| 6630NCM216846 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
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
$20.81
Purchases
1
Total spend
$20.81
Oct 16, 2026
Last purchased
2 · 2.0/yr
Purchase records
$41.62
Total demand
$20.81
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Oct 16, 2026 | 1 | $20.81 | $20.81 | PACIFIC STAR CORPORATION (4QNY3) | 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 |
|---|---|---|---|---|
| Oct 16, 2026 | SPE2DH27P0107 ↗ | PACIFIC STAR CORPORATION | — | $20.81 |
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.
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
PACIFIC STAR CORPORATION
last award Oct 2026
DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA
no award yet
no awards on record
Listed source DEFENSE MEDICAL STANDARDIZATION BOARD
no award yet
no awards on record
Listed source HACH COMPANY DBA HACH CO
no award yet
no awards on record
Listed source PACIFIC STAR CORPORATION won the only award on record. PACIFIC STAR CORPORATION won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DH-27-T-0042 | Oct 2, 2026 | Oct 8, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DH-26-T-7182 | Sep 30, 2026 | Oct 6, 2026 | 1 | Expired | View at DIBBS → |
| SPE2DH-26-T-6594 | Sep 10, 2026 | Sep 16, 2026 | 1 | 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: 2026-10-17.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BUFFER SOLUTION,STANDARD." nsnexplorer.com, https://nsnexplorer.com/nsn/6630-01-693-3814/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/6630-01-693-3814/