Acquisition method (AMC)
1
FSC 5330 × PACKING,PREFORMED
PACKING,PREFORMED
5330-01-259-0721 FSC 5330
NSN 5330-01-259-0721 (also written 5330012590721; NIIN 01-259-0721) is a packing, preformed in Federal Supply Class 5330, Packing and Gasket Materials. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Nov 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)
B
Competition
Coded for competition
AMC 1: suitable for competitive acquisition, second or later time. AMSC B: must be bought from the sources named on a source control or selected item drawing. 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 |
|---|---|
| CROSS-SECTIONAL SHAPE STYLE AAGR | — |
| CROSS-SECTIONAL HEIGHT ADVN | INCHES NOMINAL 0.250 |
| CENTER HOLE DIAMETER ADYT | INCHES NOMINAL 2.500 |
| PERIPHERAL DIAMETER ADYU | INCHES NOMINAL 3.100 |
| MATERIAL MATT | OVERALL RUBBER SYNTHETIC AND GLASS FIBER |
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 |
|---|---|---|
| 56A460-250 | 14711 | RSA ENGINEERED PRODUCTS, LLC DBA RSA ENGINEERED PRODUCTS LLC |
| 56A460-250 | 60980 | MEGGITT OREGON INC DBA MEGGITT OREGON INC DIV MEGGITT POLYMERS & COMPOSITES |
| 752056-3 | 73030 | HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE |
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
$462.963
Purchases
1
Total spend
$350,000
Nov 2, 2026
Last purchased
2 · 2.0/yr
Purchase records
$700,000
Total demand
$462.963
Latest unit price
Purchase history
| Awarded | Qty | Unit price | Total | Supplier | Agency | Source |
|---|---|---|---|---|---|---|
| Nov 2, 2026 | 756 | $462.963 | $350,000 | SEAL DYNAMICS LLC (5N582) | 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 |
|---|---|---|---|---|
| Nov 2, 2026 | SPE7L127D60KP ↗ | SEAL DYNAMICS LLC | — | $350,000 |
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
SEAL DYNAMICS LLC
last award Nov 2026
HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE
no award yet
no awards on record
Listed source MEGGITT OREGON INC DBA MEGGITT OREGON INC DIV MEGGITT POLYMERS & COMPOSITES
no award yet
no awards on record
Listed source RSA ENGINEERED PRODUCTS, LLC DBA RSA ENGINEERED PRODUCTS LLC
no award yet
no awards on record
Listed source SEAL DYNAMICS LLC won the only award on record. SEAL DYNAMICS LLC won without being a listed source.
| Solicitation | Issued | Closes / closed | Qty | Status | |
|---|---|---|---|---|---|
| SPE7LX-27-U-0195 | Oct 15, 2026 | Oct 29, 2026 | 756 | Expired | View at DIBBS → |
| SPE7L3-27-T-0592 | Oct 13, 2026 | Oct 23, 2026 | 215 | Cancelled | View at DIBBS → |
| SPE7LX-26-U-003M | Sep 15, 2026 | Sep 29, 2026 | 787 | Cancelled | 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: 2026-11-03.
- Full methodology →
Cite this page
Citation
NSN Explorer. "PACKING,PREFORMED." nsnexplorer.com, https://nsnexplorer.com/nsn/5330-01-259-0721/. Data as of November 7, 2026.
Link
https://nsnexplorer.com/nsn/5330-01-259-0721/