PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7958Packing,preformed

Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · NSN 5330-01-121-0221 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-01-121-0221 — this item is cataloged by the U.S. Government under National Stock Number 5330-01-121-0221. Primary manufacturer part number: 7958.
Features
  • Packing,preformed — FSC 5330
  • Material: STEEL OVERALL
  • Cross-Sectional Shape Style: U
  • 1 verified cross-reference
  • Primary manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Applications
  • Applications requiring Steel Overall construction
General Description

The Packing,preformed, cataloged under National Stock Number 5330-01-121-0221, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-01-121-0221
Primary Part Number7958
Item NamePacking,preformed
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerQuincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
StatusACTIVE
MaterialSTEEL OVERALL
Cross-Sectional Shape StyleU
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
6665-00-182-77197958 INTERCHANGEABLE
Combustible Gas Indicator Set,po
Bacharach, Inc.
5935-00-502-71117958 INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
5985-00-755-78859197921 INTERCHANGEABLE
Attenuator,variable
Us Army Aviation and Missile Command
2940-00-848-6043101053 INTERCHANGEABLE
Filter Element,intake Air Cleane
American Turbo Systems Inc
3930-01-030-4768 INTERCHANGEABLE
Pad,bearing
5330-01-037-80107958-3 INTERCHANGEABLE
Packing,preformed
Coffin Turbo Pump Inc
3010-01-093-10467958 INTERCHANGEABLE
Housing
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
5210-01-214-29387958 INTERCHANGEABLE
Blade,thickness Gage
Rolls-Royce Solutions America Inc
5330-01-276-57867958-7 INTERCHANGEABLE
Retainer,packing
Coffin Turbo Pump Inc
5330-01-624-11877958 INTERCHANGEABLE
Packing,preformed
Teledyne Flir Unmanned Ground Systems, Inc
Cross-Reference Index
Part NumberManufacturer
7958 PRIMARY Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
6665-00-182-7719INTERCHANGEABLE
COMBUSTIBLE GAS INDICATOR SET,PO
7958
5935-00-502-7111INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
7958
5985-00-755-7885INTERCHANGEABLE
ATTENUATOR,VARIABLE
9197921
2940-00-848-6043INTERCHANGEABLE
FILTER ELEMENT,INTAKE AIR CLEANE
101053
3930-01-030-4768INTERCHANGEABLE
PAD,BEARING
5330-01-037-8010INTERCHANGEABLE
PACKING,PREFORMED
7958-3
3010-01-093-1046INTERCHANGEABLE
HOUSING
7958
5210-01-214-2938INTERCHANGEABLE
BLADE,THICKNESS GAGE
7958
5330-01-276-5786INTERCHANGEABLE
RETAINER,PACKING
7958-7
5330-01-624-1187INTERCHANGEABLE
PACKING,PREFORMED
7958

Frequently Asked Questions

What is NSN 5330-01-121-0221?

NSN 5330-01-121-0221 is a Packing,preformed, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-01-121-0221?

NSN 5330-01-121-0221 has 1 cross-referenced part number: 7958 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).

What NSN replaces 5330-01-121-0221?

There are 10 known substitutes for 5330-01-121-0221: 6665-00-182-7719, 5935-00-502-7111, 5985-00-755-7885 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7958?

Key specifications for 7958: Material: STEEL OVERALL; Cross-Sectional Shape Style: U. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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