PartsTable
Technical Data Sheet
Download PDF

344454 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

344454: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_width: 0.688 INCHES NOMINAL IN, overall_height: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, overall_length: 2.500 INCHES NOMINAL IN, special_features: 0.162 IN. TO 0.175 IN.

DIA,2 HOLES IN, style_designator: RECTANGULAR. This part is cataloged in the U.S. Government catalog under NSN 5340-00-072-1345, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
344454
NSN: 5340-00-072-1345
FSC: 5340 — Hardware, Commercial
CAGE: 56232 — LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD (USA)
SPECIFICATIONS
materialRUBBER
overall_width0.688 INCHES NOMINAL IN
overall_height0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
overall_length2.500 INCHES NOMINAL IN
special_features0.162 IN. TO 0.175 IN. DIA,2 HOLES IN
style_designatorRECTANGULAR
material_document_and_classificationMIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-072-1345
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 344454 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: RUBBER
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.500 INCHES NOMINAL IN
OVERALL WIDTH0.688 INCHES NOMINAL IN
SPECIAL FEATURES0.162 IN. TO 0.175 IN. DIA,2 HOLES IN
MATERIALRUBBER
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
Ready to buy 344454?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 344454?
344454 is a BUMPER.
What is the NSN for 344454?
344454 is cataloged in the U.S. Government catalog under NSN 5340-00-072-1345. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 344454

✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.