NSN 5330-00-588-0312 · NIIN 005880312 · Part number 12-523
Wintec Llc · FSC 5330 — Packing and Gasket Materials · FSG 53 — Hardware and Abrasives · CAGE 05CK7
Government record, cited
NSN 5330-00-588-0312 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-588-0312. Manufacturer of record part number: 12-523.
Also searched as5330-00-588-0312 ·
5330005880312 ·
NIIN 005880312 ·
00-588-0312 ·
FSC 5330 Packing and Gasket Materials · CAGE 05CK7 · 12-523 · 34228-503PC33
The Packing,preformed, cataloged under National Stock Number 5330-00-588-0312, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Wintec Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
5330-00-588-0312
Primary Part Number
12-523
Item Name
Packing,preformed
FSC / FSG
5330 / 53 — Packing and Gasket Materials
Manufacturer
Wintec Llc
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5950-00-716-744512523POSSIBLE MATCH
TRANSFORMER,AUDIO FREQUENCY
Possible match (shared part number)Robert M. Hadley Company, Inc.
5940-00-758-993612523POSSIBLE MATCH
TERMINAL,LUG
Possible match (shared part number)Mid-America Aerotech, Llc
4920-00-917-6507POSSIBLE MATCH
SPACER ROD,PISTON
Possible match (shared part number)
1560-01-225-814712523POSSIBLE MATCH
DUCT ASSEMBLY,BELLOWS
Possible match (shared part number)Arrowhead Products Corp
5935-01-285-98846405177-3POSSIBLE MATCH
CONNECTOR,PLUG,ELECTRICAL
Possible match (shared part number)Honeywell Intl Inc Defense Avionics Systems Former Test Systems Div
4820-01-303-11060-DV-22-LPOSSIBLE MATCH
VALVE,GATE
Possible match (shared part number)Bauer Compressors, Inc.
4820-01-517-5525POSSIBLE MATCH
VALVE,SAFETY RELIEF
Possible match (shared part number)
5310-01-628-501212523POSSIBLE MATCH
NUT,PLAIN,KNURLED
Possible match (shared part number)Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
NSN 5330-00-588-0312 is a Packing,preformed, manufactured by Wintec Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
What part numbers are listed for NSN 5330-00-588-0312?
NSN 5330-00-588-0312 has 2 manufacturer part numbers on file: 34228-503PC33 (Wintec Llc), 12-523 (Wintec Llc).
What NSN replaces 5330-00-588-0312?
8 possible matches (shared part number, not a government interchangeability claim): 5950-00-716-7445, 5940-00-758-9936, 4920-00-917-6507. Verify interchangeability with system specifications before substitution.
What are the specifications of 12-523?
Key specifications for 12-523: Special Features: CROSS-SECTIONAL SHAPE STYLE:116 IRREGULAR SHAPE FROM OLD FIIG A03200. 0 specifications are documented in the U.S. Government catalog.
Is NSN 5330-00-588-0312 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.