Seal Assembly, Shaft, Spring Loade4320-01-121-7952
NSN 4320-01-121-7952 · NIIN 011217952 · Part number 9271
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor · FSC 4320 — Power and Hand Pumps · FSG 43 — Pumps and Compressors · CAGE 49576
Government record, cited
NSN 4320-01-121-7952 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-121-7952. Manufacturer of record part number: 9271.
Also searched as4320-01-121-7952 ·
4320011217952 ·
NIIN 011217952 ·
01-121-7952 ·
FSC 4320 Power and Hand Pumps · CAGE 49576 · 9271
Manufacturer of record: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Identification
NSN: 4320-01-121-7952
NIIN: 011217952
FSC: 4320 — Power and Hand Pumps
FSG: 43 — Pumps and Compressors
Primary part number: 9271
Manufacturer: Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
General Description
The Seal Assembly,shaft,spring Loade, cataloged under National Stock Number 4320-01-121-7952, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 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
4320-01-121-7952
Primary Part Number
9271
Item Name
Seal Assembly,shaft,spring Loade
FSC / FSG
4320 / 43 — Power and Hand Pumps
Manufacturer
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
X
⇄Related Items4
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2530-01-417-9344POSSIBLE MATCH
BRAKE DRUM
Possible match (shared part number)
6030-01-568-57289271POSSIBLE MATCH
MODEM,FIBER OPTIC
Possible match (shared part number)Telebyte, Inc.
7510-01-575-45619271POSSIBLE MATCH
TAB SET,INDEX
Possible match (shared part number)Jl Darling, Llc
6145-01-588-7607GEL100-1POSSIBLE MATCH
CABLE,RADIO FREQUENCY
Possible match (shared part number)Grace Aerospace Llc
Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor (USA)
Related Parts
2530-01-417-9344POSSIBLE MATCH
BRAKE DRUM
6030-01-568-5728POSSIBLE MATCH
MODEM,FIBER OPTIC
9271
7510-01-575-4561POSSIBLE MATCH
TAB SET,INDEX
9271
6145-01-588-7607POSSIBLE MATCH
CABLE,RADIO FREQUENCY
GEL100-1
Frequently Asked Questions
What is NSN 4320-01-121-7952?
NSN 4320-01-121-7952 is a Seal Assembly,shaft,spring Loade, manufactured by Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor, classified under FSC 4320, Power and Hand Pumps. Status: active.
What part numbers are listed for NSN 4320-01-121-7952?
NSN 4320-01-121-7952 has 1 manufacturer part number on file: 9271 (Quincy Compressor Division of Coltec Industries Inc Dba Quincy Compressor Div Quincy Compressor).
What NSN replaces 4320-01-121-7952?
4 possible matches (shared part number, not a government interchangeability claim): 2530-01-417-9344, 6030-01-568-5728, 7510-01-575-4561. Verify interchangeability with system specifications before substitution.
What are the specifications of 9271?
Key specifications for 9271: End Item Identification: QUINCY COMPRESSOR,AIR MODEL 325,SERIES QR-100. 0 specifications are documented in the U.S. Government catalog.
Is NSN 4320-01-121-7952 hazardous material?
No hazard code in the DLA record (HMIC N). 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.