NSN 5340-00-370-3985 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-370-3985. Manufacturer of record part number: 6259-1.
Also searched as5340-00-370-3985 ·
5340003703985 ·
NIIN 003703985 ·
00-370-3985 ·
FSC 5340 Hardware, Commercial · CAGE 77969 · 6259-1
Outside/top Flange Diameter: 0.880 INCHES NOMINAL IN
Material Hardness Rating: 55.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM
Hole Depth: 0.344 INCHES NOMINAL IN
First Counterbore Diameter: 0.310 INCHES NOMINAL IN
Style Designator: FLAT TOP COUNTERBORED
First Counterbore Depth: 0.245 INCHES NOMINAL IN
Identification
NSN: 5340-00-370-3985
NIIN: 003703985
FSC: 5340 — Hardware, Commercial
FSG: 53 — Hardware and Abrasives
Primary part number: 6259-1
Manufacturer: Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
General Description
The Bumper, cataloged under National Stock Number 5340-00-370-3985, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 8 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
5340-00-370-3985
Primary Part Number
6259-1
Item Name
Bumper
FSC / FSG
5340 / 53 — Hardware, Commercial
Manufacturer
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp
Status
ACTIVE
Second Counterbore Depth
0.031 INCHES NOMINAL IN
Outside/top Flange Diameter
0.880 INCHES NOMINAL IN
Material Hardness Rating
55.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM
Hole Depth
0.344 INCHES NOMINAL IN
First Counterbore Diameter
0.310 INCHES NOMINAL IN
Style Designator
FLAT TOP COUNTERBORED
First Counterbore Depth
0.245 INCHES NOMINAL IN
Color
BLACK
Material
RUBBER NATURAL OR RUBBER SYNTHETIC
Hole Diameter
0.220 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 Items8
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
1220-00-651-166062-591POSSIBLE MATCH
MODULATOR,DIODE
Possible match (shared part number)Lockheed Martin Corporation Div Rms - Mitchel Field
5835-00-921-1650POSSIBLE MATCH
ARM ASSY
Possible match (shared part number)
4320-01-273-134162591POSSIBLE MATCH
PISTON ASSEMBLY CONTROL
Possible match (shared part number)Reidville Hydraulics & Mfg Inc
3040-01-275-244462591POSSIBLE MATCH
RING,PISTON
Possible match (shared part number)Leslie Controls, Inc. Dba Leslie Controls Inc
1650-01-376-118462591POSSIBLE MATCH
HOUSING,LIQUID PUMP
Possible match (shared part number)Parker Hannifin Corporation Div Hydraulic Systems Division
6720-01-585-216962591POSSIBLE MATCH
CAMERA SYSTEM,RECONNAISSANCE
Possible match (shared part number)Aerovironment, Inc.
6220-01-657-74439489-0826POSSIBLE MATCH
LIGHT,BACKUP
Possible match (shared part number)Heil Trailer International Llc
8465-01-670-230262591POSSIBLE MATCH
HYDRATION SYSTEM
Possible match (shared part number)Camelbak Products, Llc Dba Camelbak
Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp (USA)
Related Parts
1220-00-651-1660POSSIBLE MATCH
MODULATOR,DIODE
62-591
5835-00-921-1650POSSIBLE MATCH
ARM ASSY
4320-01-273-1341POSSIBLE MATCH
PISTON ASSEMBLY CONTROL
62591
3040-01-275-2444POSSIBLE MATCH
RING,PISTON
62591
1650-01-376-1184POSSIBLE MATCH
HOUSING,LIQUID PUMP
62591
6720-01-585-2169POSSIBLE MATCH
CAMERA SYSTEM,RECONNAISSANCE
62591
6220-01-657-7443POSSIBLE MATCH
LIGHT,BACKUP
9489-0826
8465-01-670-2302POSSIBLE MATCH
HYDRATION SYSTEM
62591
Frequently Asked Questions
What is NSN 5340-00-370-3985?
NSN 5340-00-370-3985 is a Bumper, manufactured by Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp, classified under FSC 5340, Hardware, Commercial. Status: active.
What part numbers are listed for NSN 5340-00-370-3985?
NSN 5340-00-370-3985 has 1 manufacturer part number on file: 6259-1 (Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp).
What NSN replaces 5340-00-370-3985?
8 possible matches (shared part number, not a government interchangeability claim): 1220-00-651-1660, 5835-00-921-1650, 4320-01-273-1341. Verify interchangeability with system specifications before substitution.
What are the specifications of 6259-1?
Key specifications for 6259-1: Second Counterbore Depth: 0.031 INCHES NOMINAL IN; Overall Height: 0.620 INCHES NOMINAL IN; Outside/top Flange Diameter: 0.880 INCHES NOMINAL IN; Material Hardness Rating: 55.0 DUROMETER MINIMUM AND 75.0 DUROMETER MAXIMUM. 10 specifications are documented in the U.S. Government catalog.
Is NSN 5340-00-370-3985 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.