PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS28774-012Retainer,packing

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5330-00-549-7073 · FSC 5330 · No Item Name Available
Verified by PartsTable
NSN 5330-00-549-7073 — this item is cataloged by the U.S. Government under National Stock Number 5330-00-549-7073. Primary manufacturer part number: MS28774-012.
Features
  • Retainer,packing — FSC 5330
  • Departure From Cited Designator: AS DIFFERENTIATED BY PACKAGING IN ACCORDANCE WITH MIL-P-23199 AND MATERIAL CONFORMING TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
  • Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Cut Type: DIAGONAL OVERALL
  • Peripheral Diameter: 0.479 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
  • Cross-Sectional Shape Style: SQUARE/RECTANGULAR
  • Joint Type: SCARF-PERIPHERAL RETAINER
Applications
  • Applications requiring Plastic Polytetrafluoroethylene Overall construction
General Description

The Retainer,packing, cataloged under National Stock Number 5330-00-549-7073, is classified within Federal Supply Class 5330 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5330-00-549-7073
Primary Part NumberMS28774-012
Item NameRetainer,packing
FSC / FSG5330 / 53 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Departure From Cited DesignatorAS DIFFERENTIATED BY PACKAGING IN ACCORDANCE WITH MIL-P-23199 AND MATERIAL CONFORMING TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS
Material Document and ClassificationMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Cut TypeDIAGONAL OVERALL
Peripheral Diameter0.479 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN
Cross-Sectional Height0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
Cross-Sectional Shape StyleSQUARE/RECTANGULAR
Joint TypeSCARF-PERIPHERAL RETAINER
MaterialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
Center Hole Diameter0.375 INCHES MINIMUM AND 0.377 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5330-00-543-7090 INTERCHANGEABLE
Retainer,packing
5330-01-020-9511 INTERCHANGEABLE
Retainer,packing
5330-01-513-9034 INTERCHANGEABLE
Backup Ring,aircraf
Cross-Reference Index
Part NumberManufacturer
MS28774-012 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
250206-012 Zf Industrieantriebe Witten Gmbh (DEU)
Related Parts
5330-00-543-7090INTERCHANGEABLE
RETAINER,PACKING
5330-01-020-9511INTERCHANGEABLE
RETAINER,PACKING
5330-01-513-9034INTERCHANGEABLE
BACKUP RING,AIRCRAF

Frequently Asked Questions

What is NSN 5330-00-549-7073?

NSN 5330-00-549-7073 is a Retainer,packing, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5330 (No Item Name Available). Status: active.

What are the part numbers for NSN 5330-00-549-7073?

NSN 5330-00-549-7073 has 2 cross-referenced part numbers: MS28774-012 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 250206-012 (Zf Industrieantriebe Witten Gmbh).

What NSN replaces 5330-00-549-7073?

There are 3 known substitutes for 5330-00-549-7073: 5330-00-543-7090, 5330-01-020-9511, 5330-01-513-9034. Verify interchangeability with system specifications before substitution.

What are the specifications of MS28774-012?

Key specifications for MS28774-012: Departure From Cited Designator: AS DIFFERENTIATED BY PACKAGING IN ACCORDANCE WITH MIL-P-23199 AND MATERIAL CONFORMING TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS; Material Document and Classification: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Cut Type: DIAGONAL OVERALL; Peripheral Diameter: 0.479 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN. 9 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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