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4077056 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4077056: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY, overall_width: 0.790 INCHES NOMINAL IN, overall_height: 0.078 INCHES NOMINAL IN, overall_length: 2.560 INCHES NOMINAL IN, special_features: TWO COUNTERSUNK HOLES,ONE 0.130 IN. DIA.,THE OTHER 0.141 IN.

DIA IN, style_designator: RECTANGULAR. This part is cataloged in the U.S. Government catalog under NSN 5340-01-344-3600, 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
4077056
NSN: 5340-01-344-3600
FSC: 5340 — Hardware, Commercial
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
materialTITANIUM ALLOY
overall_width0.790 INCHES NOMINAL IN
overall_height0.078 INCHES NOMINAL IN
overall_length2.560 INCHES NOMINAL IN
special_featuresTWO COUNTERSUNK HOLES,ONE 0.130 IN. DIA.,THE OTHER 0.141 IN. DIA IN
style_designatorRECTANGULAR
fsc_application_dataREAR COMPRESSOR CASE
end_item_identification100PW0229 ENGINE
material_document_and_classificationAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE
NSN5340-01-344-3600
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4077056 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
•
FSC APPLICATION DATA: REAR COMPRESSOR CASE
•
STYLE DESIGNATOR: RECTANGULAR
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4928 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.078 INCHES NOMINAL IN
FSC APPLICATION DATAREAR COMPRESSOR CASE
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4928 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.560 INCHES NOMINAL IN
OVERALL WIDTH0.790 INCHES NOMINAL IN
SPECIAL FEATURESTWO COUNTERSUNK HOLES,ONE 0.130 IN. DIA.,THE OTHER 0.141 IN. DIA IN
END ITEM IDENTIFICATION100PW0229 ENGINE
MATERIALTITANIUM ALLOY
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4077056?
4077056 is a BUMPER.
What is the NSN for 4077056?
4077056 is cataloged in the U.S. Government catalog under NSN 5340-01-344-3600. This indicates validated use in U.S. government and defense supply chains.
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✓ 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.