Acquisition method (AMC)
1
FSC 5330 × BACK-UP RING,PREFORMED PACKING
BACK-UP RING,PREFORMED PACKING
5330-01-551-8748 FSC 5330
NSN 5330-01-551-8748 (also written 5330015518748; NIIN 01-551-8748) is a back-up ring, preformed packing in Federal Supply Class 5330, Packing and Gasket Materials. 16 manufacturer part numbers from 5 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 as suitable for competitive acquisition (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 |
|---|---|
| END ITEM IDENTIFICATION AGAV | MANIFOLD, QUIET AIR REDUCING. |
| DEPARTURE FROM CITED DOCUMENT ZZZW | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D MIL-STD-1330D |
| CRITICALITY CODE JUSTIFICATION CRTL | ZZZW |
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 |
|---|---|---|
| 7383858-V3D10436-12 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 7383858-V3D10436-12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| 7550478-V3D10436-12 | 53711 | NAVAL SEA SYSTEMS COMMAND |
| 7550478-V3D10436-12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| G547-0002-V3D10436-12 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| G547-0002-V3D10436-12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| H547-0001-V3D10436-12 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| H547-0001-V3D10436-12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| M8791/1-013 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M |
| M8791/1-013CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| V3D10436 ITEM 11 | 99517 | VACCO INDUSTRIES |
| V3D10436 ITEM 11CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| V3D10436 ITEM 12 | 99517 | VACCO INDUSTRIES |
| V3D10436 ITEM 12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
| V3D10436-12 | 96169 | ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT |
| V3D10436-12CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG |
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
$4.78
Purchases
1
Total spend
$2,835
Oct 13, 2026
Last purchased
2 · 2.0/yr
Purchase records
$5,669
Total demand
$4.78
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 |
|---|---|---|---|---|
| Oct 13, 2026 | SPE7L327V0196 ↗ | — | — | $2,835 |
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 326D8
last award Oct 2026
ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT
no award yet
no awards on record
Listed source MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
no award yet
no awards on record
Listed source NAVAL INVENTORY CONTROL POINT MECHANICSBURG
no award yet
no awards on record
Listed source NAVAL SEA SYSTEMS COMMAND
no award yet
no awards on record
Listed source VACCO INDUSTRIES
no award yet
no awards on record
Listed source CAGE 326D8 won the only award on record. CAGE 326D8 won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7L3-26-T-203E | Aug 25, 2026 | Sep 4, 2026 | 593 | 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: 2026-10-14.
- Full methodology →
Cite this page
Citation
NSN Explorer. "BACK-UP RING,PREFORMED PACKING." nsnexplorer.com, https://nsnexplorer.com/nsn/5330-01-551-8748/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5330-01-551-8748/