Acquisition method (AMC)
3
FSC 6550 × CHLORINE TEST TABLETS
CHLORINE TEST TABLETS
6550-01-574-6831 FSC 6550
NSN 6550-01-574-6831 (also written 6550015746831; NIIN 01-574-6831) is a chlorine test tablets in Federal Supply Class 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. 7 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)
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 |
|---|---|
| PRIMARY CONTAINER TYPE CQCT | PACKAGE |
| TOTAL PRIMARY CONTAINER QUANTITY CSCW | 100 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY CXCY | CHLORINE TABS NO.1 DIETHYL-P-PHENYLENEDIAMINE 100TT |
| SPECIAL FEATURES FEAT | DIETHYL-P-PHENYLENDEDIAMINE (DPD) CHLORINE TABS NO.1; USED TO MEASUE FREE AVAILABLE CHLORINE IN WATER; RANGE: 0 TO 10PPM FOR APPROXIMATELY 10ML SAMPLE SIZE; SHELF LIFE APPROX. 3 YEARS; INSTRUMENT GRADE; FOR USE WITH LAMOTTE COLORIMETERS AND SPECTROPHOTOMETERS; PKG/100 TABLETS |
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 |
|---|---|---|
| 11980 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA |
| 1221U51 | 59728 | ARTHUR H. THOMAS COMPANY |
| 6515NCM093419 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD |
| 6903A-J | 34807 | LA MOTTE CHEMICAL PRODUCTS CO INC, THE DBA LA MOTTE COMPANY |
| 9864H10 | 59728 | ARTHUR H. THOMAS COMPANY |
| DPD CHLORINE TABLETS | 59728 | ARTHUR H. THOMAS COMPANY |
| WS746831 | 70784 | FORT DEFIANCE INDUSTRIES LLC |
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
$18.39
Purchases
1
Total spend
$18.39
Sep 15, 2026
Last purchased
1 · 1.0/yr
Purchase records
$18.39
Total demand
$18.39
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | 1 | $18.39 | $18.39 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC (0AG09) | 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.
No related contract actions on record.
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
SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC
last award Sep 2026
ARTHUR H. THOMAS COMPANY
no award yet
no awards on record
Listed source 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 FORT DEFIANCE INDUSTRIES LLC
no award yet
no awards on record
Listed source LA MOTTE CHEMICAL PRODUCTS CO INC, THE DBA LA MOTTE COMPANY
no award yet
no awards on record
Listed source SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC won the only award on record. SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE2DS-26-T-417T | Sep 10, 2026 | Sep 15, 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: 2026-10-05.
- Full methodology →
Cite this page
Citation
NSN Explorer. "CHLORINE TEST TABLETS." nsnexplorer.com, https://nsnexplorer.com/nsn/6550-01-574-6831/. Data as of October 19, 2026.
Link
https://nsnexplorer.com/nsn/6550-01-574-6831/