Type a 13-digit NSN, a 9-digit NIIN, a manufacturer part number, or a category name such as “gasket”.

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FSC 4540 × FOUR LEGGED CHAMBER

FOUR LEGGED CHAMBER

4540-01-513-8154 FSC 4540

NSN 4540-01-513-8154 (also written 4540015138154; NIIN 01-513-8154) is a four legged chamber in Federal Supply Class 4540, Waste Disposal Equipment. 2 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

Open for bid

1 open solicitation on record right now — quantity, close date, and where to submit.

Solicitation Qty Status
SPE8E8-27-T-0441 52 Closes in 2d Bid →

Can you win it?

This item is coded as suitable for competitive acquisition (AMC 1).

Acquisition method (AMC)
1
Suffix (AMSC)
G
Competition
Coded for competition

AMC 1: suitable for competitive acquisition, second or later time. AMSC G: the government has a complete data package and the rights to use it. 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
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
OVERALL DIAMETER ADAV INCHES MINIMUM 20.900 AND INCHES MAXIMUM 21.190
END ITEM IDENTIFICATION AGAV WASTE PROCESS; PWP MOD 1 CMU CHAMBER
OVERALL HEIGHT ABKW INCHES NOMINAL 27.750
SURFACE TREATMENT SFTT ANODIZE
MATERIAL MATT ALUMINUM ALLOY
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

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
$3,394.00
Purchases
1
Total spend
$271,520
Oct 21, 2026
Last purchased
2 · 2.0/yr
Purchase records
$543,040
Total demand
$3,394.00
Latest unit price

Compare with other items

Purchase history

1 purchase on record
Awarded Qty Unit price Total Supplier Agency Source
Oct 21, 2026 80 $3,394.00 $271,520 Unknown (96VL2) 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 21, 2026 SPE8E827P0098 ↗ — — $271,520

Demand history

Every solicitation we've indexed for this NSN, open and closed — 2 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
Solicited 2 times since Aug 2026, typically every 2.6 months.Last solicitation 8 days ago.Jan 2026Apr 2026Jul 2026Oct 2026

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
CAGE 96VL2
last award Oct 2026
Not listed
NAVAL SEA SYSTEMS COMMAND
no award yet
Listed source

CAGE 96VL2 won the only award on record. CAGE 96VL2 won without being a listed source.

Solicitation Issued Closes / closed Qty Status
SPE8E8-27-T-0441 Oct 30, 2026 Nov 9, 2026 52 Open View at DIBBS →
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 as of Oct 10, 2026.
  • Contract action totals: USAspending, context only.
  • Data last refreshed: 2026-10-23.
  • Full methodology →
Cite this page
Citation

NSN Explorer. "FOUR LEGGED CHAMBER." nsnexplorer.com, https://nsnexplorer.com/nsn/4540-01-513-8154/. Data as of November 7, 2026.

Link

https://nsnexplorer.com/nsn/4540-01-513-8154/