PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55MBumper

Operating & Maintenance Specialties Inc · NSN 5340-01-651-7326 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-651-7326 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-651-7326. Primary manufacturer part number: 55M.
Features
  • Bumper — FSC 5340
  • Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
  • Criticality Code Justification: ZZZY
  • 2 verified cross-references
  • Primary manufacturer: Operating & Maintenance Specialties Inc
Applications
  • General assembly and fastening
  • Structural repair and reinforcement
  • Facility maintenance hardware
General Description

The Bumper, cataloged under National Stock Number 5340-01-651-7326, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Operating & Maintenance Specialties Inc. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-651-7326
Primary Part Number55M
Item NameBumper
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerOperating & Maintenance Specialties Inc
StatusACTIVE
Reference Number Differentiating CharacteristicsMATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
Criticality Code JustificationZZZY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 2
9150-00-273-8633 INTERCHANGEABLE
Grease,aircraft
5355-01-181-641513211E9392-1 INTERCHANGEABLE
Knob
Cecom Lr Center
Cross-Reference Index
Part NumberManufacturer
55M Operating & Maintenance Specialties Inc (USA)
55ML1 Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
9150-00-273-8633INTERCHANGEABLE
GREASE,AIRCRAFT
5355-01-181-6415INTERCHANGEABLE
KNOB
13211E9392-1

Frequently Asked Questions

What is NSN 5340-01-651-7326?

NSN 5340-01-651-7326 is a Bumper, manufactured by Operating & Maintenance Specialties Inc, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-651-7326?

NSN 5340-01-651-7326 has 2 cross-referenced part numbers: 55M (Operating & Maintenance Specialties Inc), 55ML1 (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 5340-01-651-7326?

There are 2 known substitutes for 5340-01-651-7326: 9150-00-273-8633, 5355-01-181-6415. Verify interchangeability with system specifications before substitution.

What are the specifications of 55M?

Key specifications for 55M: Reference Number Differentiating Characteristics: MATERIAL WILL BE IN ACCORDANCE WITH NAVSUP-WSS ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS; Criticality Code Justification: ZZZY. 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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