PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AN6291-28Retainer,packing

Aeronautical Standards Group Dept of Navy and Air Force · NSN 5330-00-186-1300 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-186-1300 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-186-1300. Primary manufacturer part number: AN6291-28.
Features
  • Retainer,packing — FSC 5330
  • Peripheral Diameter: 2.451 INCHES NOMINAL IN
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Center Hole Diameter: 2.102 INCHES MINIMUM AND 2.116 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
  • Material: LEATHER CATTLEHIDE OVERALL
  • Material Document and Classification: MIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • 9 verified cross-references
Applications
  • Applications requiring Leather Cattlehide Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-186-1300, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Aeronautical Standards Group Dept of Navy and Air Force. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-186-1300
Primary Part NumberAN6291-28
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerAeronautical Standards Group Dept of Navy and Air Force
StatusACTIVE
Peripheral Diameter2.451 INCHES NOMINAL IN
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
Center Hole Diameter2.102 INCHES MINIMUM AND 2.116 INCHES MAXIMUM IN
Cross-Sectional Height0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
MaterialLEATHER CATTLEHIDE OVERALL
Material Document and ClassificationMIL-W-5521 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
9540-00-401-6825 INTERCHANGEABLE
Beam,structural
6750-01-427-1876 INTERCHANGEABLE
Film,photographic
Cross-Reference Index
Part NumberManufacturer
AN6291-28 Aeronautical Standards Group Dept of Navy and Air Force (USA)
B-FF-28 Parker-Hannifin Corp Div O-Ring Division (USA)
1283-28 Searle Leather and Packing Co (USA)
MS28777-28 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
XLLM212-28 Excelsior, Inc. (USA)
2216LS-28 Houghton Intl Inc (USA)
LS-40-28 Garlock Sealing Technologies Llc Dba Garlock Sealing Technologies Llc (USA)
G-2000-28 Parker-Hannifin Corp Div O-Ring Division (USA)
1776-28 Trostel Albert Packing Ltd (USA)
Related Parts
9540-00-401-6825INTERCHANGEABLE
BEAM,STRUCTURAL
6750-01-427-1876INTERCHANGEABLE
FILM,PHOTOGRAPHIC

Frequently Asked Questions

What is NSN 5330-00-186-1300?

NSN 5330-00-186-1300 is a Retainer,packing, manufactured by Aeronautical Standards Group Dept of Navy and Air Force, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-186-1300?

NSN 5330-00-186-1300 has 9 cross-referenced part numbers: AN6291-28 (Aeronautical Standards Group Dept of Navy and Air Force), B-FF-28 (Parker-Hannifin Corp Div O-Ring Division), 1283-28 (Searle Leather and Packing Co), MS28777-28 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), XLLM212-28 (Excelsior, Inc.) and 4 more.

What NSN replaces 5330-00-186-1300?

There are 2 known substitutes for 5330-00-186-1300: 9540-00-401-6825, 6750-01-427-1876. Verify interchangeability with system specifications before substitution.

What are the specifications of AN6291-28?

Key specifications for AN6291-28: Peripheral Diameter: 2.451 INCHES NOMINAL IN; Cross-Sectional Shape Style: SQUARE/RECTANGULAR; Center Hole Diameter: 2.102 INCHES MINIMUM AND 2.116 INCHES MAXIMUM IN; Cross-Sectional Height: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN. 6 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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