Home · FSC 5330 Packing And Gasket Materials · NSN 5330-00-770-7520

NSN 5330-00-770-7520 — Packing,Preformed

NIIN 00-770-7520 · unit of issue EA · AAC J (not stocked, central procurement) · source of supply SMS

NSN 5330-00-770-7520 is the national stock number for a packing,preformed in federal supply class 5330 (Packing And Gasket Materials). It cross-references to 1 manufacturer part number from 2 CAGE codes, including Crane Co Dba Crane Polyflon Div Polyflon Company, Rtx Corporation; the primary is 373309. The unit of issue is EA and the FLIS list price is $4.02.

The U.S. government has bought this item 2 times on record, 1 of them in the last 24 months, most recently on September 21, 2026 for $300 from Crestwood Technology Group, LLC. No seller has confirmed stock of it here in the last 60 days; watching the number is free and the first listing triggers an alert.

part number from 2 CAGEs

open solicitations, all agencies

government buy in 24 months

sellers with confirmed stock

Know someone who should see this?

Cross-references

Part numbers filed against this stock number, with the manufacturer (CAGE) and the FLIS reference codes.

Part number	CAGE	Manufacturer	Reference	Variation
373309	31856	Crane Co Dba Crane Polyflon Div Polyflon Company	3 · Design control (vendor)	9 · Reference only
373309	77445	Rtx Corporation	5 · Secondary reference	2 · Fully interchangeable

Government demand

Nothing open right now. Last government buy Sep 21, 2026. Watch this NSN and we will email you when it is solicited.

What the government paid

Date	Vendor	Qty	Unit cost	Amount	Buyer	Reference
Sep 21, 2026	Crestwood Technology Group, LLC 1S5X8			$300	Dla	SPE4A726PG909 » Award/Basic Package View
Aug 30, 1996	Dutch Valley Supply Co. 31068	23	$13.30		Dla	SP050096AB0165195

Sources: DLA DIBBS procurement history (unit cost), DLA award history, FPDS (all agencies), SAM.gov notices. 2 buys on record in total.

Sellers with confirmed stock

No seller has confirmed stock on this NSN in the last 60 days. Watch it and we will email you when one does, or request a quote on 373309.

Listings appear here only while the seller has confirmed them within 60 days. Sellers: list this part free.

DLA management data

FLIS unit price: $4.02
Unit of issue: EA
Acquisition advice: J — Not stocked, central procurement
Source of supply: SMS
Effective: Oct 1, 2025

Item characteristics

Temp Rating: FAHRENHEIT -20.0 AND FAHRENHEIT 400.0
Cross-Sectional Height: INCHES NOMINAL 0.270
Center Hole Diameter: INCHES NOMINAL 2.863
Peripheral Diameter: INCHES NOMINAL 3.130
Elongation Percentage: MAXIMUM 125
Hardness Rating: OVERALL SHORE DUROMETER A NOMINAL 75.0
Criticality Code Justification: FEAT
Special Features: DUE TO CRITICAL FEATURES, TOLERANCES, FIT RESTRICTIONS, MATERIAL PROPERTIES AND MANUFACTURING PROCESS. FAILURE COULD RESULT IN LOSS OR SUBSTANTIAL DAMAGE TO WEAPON SYSTEM, DEATH, OR SERIOUS INJURY
Material: OVERALL PLASTIC POLYTETRAFLUOROETHYLENE
Material Document And Classification: OVERALL ASSN STD SINGLE MATERIAL RESPONSE A-S 3651

About this page

An NSN is 13 digits: the 4-digit Federal Supply Class and the 9-digit NIIN. Cross-references come from the federal logistics record; demand from DLA DIBBS, SAM.gov and FPDS; ADs from the Federal Register. Refreshed nightly. Market Pulse shows the whole market.