NSN 5340-00-877-9529 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-877-9529. Manufacturer of record part number: 11-256-C.
Outside/top Flange Diameter: 0.625 INCHES NOMINAL IN
Fastening Device Type: MACHINE SCREW
First Counterbore Diameter: 0.255 INCHES NOMINAL IN
Style Designator: DONUT TOP COUNTERBORED
First Counterbore Depth: 0.125 INCHES NOMINAL IN
Color: BLACK
Fastening Device Size: NO. 4-40 WOOD SCREW
Identification
NSN: 5340-00-877-9529
NIIN: 008779529
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 11-256-C
Manufacturer: Gc/waldom Inc
General Description
The Bumper, cataloged under National Stock Number 5340-00-877-9529, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Gc/waldom Inc. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
Technical Specifications
Parameter
Value
NSN
5340-00-877-9529
Primary Part Number
11-256-C
Item Name
Bumper
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Gc/waldom Inc
Status
ACTIVE
Outside/top Flange Diameter
0.625 INCHES NOMINAL IN
Fastening Device Type
MACHINE SCREW
First Counterbore Diameter
0.255 INCHES NOMINAL IN
Style Designator
DONUT TOP COUNTERBORED
First Counterbore Depth
0.125 INCHES NOMINAL IN
Color
BLACK
Fastening Device Size
NO. 4-40 WOOD SCREW
Material
RUBBER SYNTHETIC
Hole Diameter
0.200 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
Unit of Issue
EA
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5930-00-892-9782POSSIBLE MATCH
SWITCH,SLIDE
Possible match (shared part number)
6625-00-988-16211120-0040POSSIBLE MATCH
METER,MODULATION
Possible match (shared part number)Keysight Technologies Inc
5325-01-226-9208POSSIBLE MATCH
RING,RETAINING
Possible match (shared part number)
2920-01-313-0737112-56POSSIBLE MATCH
ROTOR,GENERATOR
Possible match (shared part number)Prestolite Electric Inc
5310-01-320-1029POSSIBLE MATCH
WASHER,FLAT
Possible match (shared part number)
5331-01-602-967411256POSSIBLE MATCH
O-RING
Possible match (shared part number)Harley Davidson Motor Co Inc
NSN 5340-00-877-9529 is a Bumper, manufactured by Gc/waldom Inc, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-00-877-9529?
NSN 5340-00-877-9529 has 3 manufacturer part numbers on file: 1075FC (Gc/waldom Inc), 11-256 (Gc/waldom Inc), 11-256-C (Gc/waldom Inc).
What NSN replaces 5340-00-877-9529?
6 possible matches (shared part number, not a government interchangeability claim): 5930-00-892-9782, 6625-00-988-1621, 5325-01-226-9208. Verify interchangeability with system specifications before substitution.
What are the specifications of 11-256-C?
Key specifications for 11-256-C: Overall Height: 0.312 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.625 INCHES NOMINAL IN; Fastening Device Type: MACHINE SCREW; First Counterbore Diameter: 0.255 INCHES NOMINAL IN. 9 specifications are documented in the U.S. Government catalog.
Is NSN 5340-00-877-9529 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). 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.