AMSC / AMC
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FSC 4540 × FOUR LEGGED CHAMBER
FOUR LEGGED CHAMBER
4540-01-513-8154
Open for bid
No open solicitations on record for this NSN right now.
Can you win it?
Restricted — approved sources only, based on the latest AMSC/AMC on record.
Competition
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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 HEIGHT ABKW | INCHES NOMINAL 27.750 |
| OVERALL DIAMETER ADAV | INCHES MINIMUM 20.900 AND INCHES MAXIMUM 21.190 |
| END ITEM IDENTIFICATION AGAV | WASTE PROCESS; PWP MOD 1 CMU CHAMBER |
| ACCESSORY COMPONENTS AND QUANTITY AKYD | HELICAL COIL THREAD INSERT, SST 18-8, .250-20UNC-2B X .38 LG 2; HELICAL COIL THREAD INSERT, SST 18-8, .138-32UNC-2B X .276 LG 2 |
| SPECIAL FEATURES FEAT | FABRICATED BY SAND CASTING ALUMINUM ALLOY GRADE 356-T51 PER ASTM B26 OR BY ROLLING AND WELDING PLATE MATERIAL ASTM B209, ALLOY 6061; FOUR LEGS ARE FORMED AT BOTTOM (INCLUDED IN OVERALL HEIGHT) - SEE DRAWING FOR DETAILS ASTM B26 |
| MATERIAL MATT | ALUMINUM ALLOY |
| SURFACE TREATMENT SFTT | ANODIZE |
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 |
|---|---|---|
| 593-7556811 PC 13 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 593-7556822 ASSY 99 | 53711 | NAVAL SEA SYSTEMS COMMAND |
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
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Purchases
0
Total spend
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Last purchased
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Purchase records
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Total demand
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Latest award total
Price history
What the government paid per unit
Fewer than two priced purchases on record — see the table below.
Purchase history
No priced purchases on record for this NSN yet.
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.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE8E8-26-T-5142 | Aug 12, 2026 | Aug 28, 2026 | 80 | 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.
- Contract action totals: USAspending, context only.
- Full methodology →