PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52903Retainer Assembly,f

San Antonio Air Logistics Center · NSN 1270-01-021-1632 · FSC 1270 · No Item Name Available
Verified by PartsTable
NSN 1270-01-021-1632 — this item is cataloged by the U.S. Government under National Stock Number 1270-01-021-1632. Primary manufacturer part number: 52903.
Features
  • Retainer Assembly,f — FSC 1270
  • General Characteristics Item Description: ALUMINUM,QQ-A-250/12
  • 1 verified cross-reference
  • Primary manufacturer: San Antonio Air Logistics Center
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer Assembly,f, cataloged under National Stock Number 1270-01-021-1632, is classified within Federal Supply Class 1270 (No Item Name Available) of the Fire Control Equipment group. The primary manufacturer of record is San Antonio Air Logistics Center. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1270-01-021-1632
Primary Part Number52903
Item NameRetainer Assembly,f
FSC / FSG1270 / 12 — No Item Name Available
ManufacturerSan Antonio Air Logistics Center
StatusACTIVE
General Characteristics Item DescriptionALUMINUM,QQ-A-250/12
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5330-00-105-44285290-3 INTERCHANGEABLE
Seal,nonmetallic Special Shaped
Kirkhill Inc Div Kirkhill Inc, Haskon Division
6150-00-354-715152903 INTERCHANGEABLE
Lead,electrical
Brinkley Technology Group Llc Dba Hercules Manufacturing
4820-00-628-7673529-03 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
Norgren C a Co
4910-01-234-908152-870 INTERCHANGEABLE
Guard,safety,tire Inflation
Myers Tire Supply Distribution Inc Div Akron Branch
4820-01-250-6135 INTERCHANGEABLE
Parts Kit,pressure Regulating VA
7010-01-362-4231 INTERCHANGEABLE
Computer Set,digital
Cross-Reference Index
Part NumberManufacturer
52903 San Antonio Air Logistics Center (USA)
Related Parts
5330-00-105-4428INTERCHANGEABLE
SEAL,NONMETALLIC SPECIAL SHAPED
5290-3
6150-00-354-7151INTERCHANGEABLE
LEAD,ELECTRICAL
52903
4820-00-628-7673INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
529-03
4910-01-234-9081INTERCHANGEABLE
GUARD,SAFETY,TIRE INFLATION
52-870
4820-01-250-6135INTERCHANGEABLE
PARTS KIT,PRESSURE REGULATING VA
7010-01-362-4231INTERCHANGEABLE
COMPUTER SET,DIGITAL

Frequently Asked Questions

What is NSN 1270-01-021-1632?

NSN 1270-01-021-1632 is a Retainer Assembly,f, manufactured by San Antonio Air Logistics Center, classified under FSC 1270 (No Item Name Available). Status: active.

What are the part numbers for NSN 1270-01-021-1632?

NSN 1270-01-021-1632 has 1 cross-referenced part number: 52903 (San Antonio Air Logistics Center).

What NSN replaces 1270-01-021-1632?

There are 6 known substitutes for 1270-01-021-1632: 5330-00-105-4428, 6150-00-354-7151, 4820-00-628-7673 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52903?

Key specifications for 52903: General Characteristics Item Description: ALUMINUM,QQ-A-250/12. 1 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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