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H547-0253-49 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

H547-0253-49: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, overall_width: 0.870 INCHES NOMINAL IN, overall_length: 2.250 INCHES NOMINAL IN, style_designator: PAN SHAPED PAD TWO THREADED STUDS, material_document_and_classification: MIL-R-6855, CLASS 1, GRADE 30 MIL SPEC SINGLE MATERIAL RESPONSE, distance_between_mounting_facility_centers: 1.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-497-7324, 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
H547-0253-49
NSN: 5340-01-497-7324
FSC: 5340 — Hardware, Commercial
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
overall_width0.870 INCHES NOMINAL IN
overall_length2.250 INCHES NOMINAL IN
style_designatorPAN SHAPED PAD TWO THREADED STUDS
material_document_and_classificationMIL-R-6855, CLASS 1, GRADE 30 MIL SPEC SINGLE MATERIAL RESPONSE
distance_between_mounting_facility_centers1.500 INCHES NOMINAL IN
NSN5340-01-497-7324
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: H547-0253-49 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: PAN SHAPED PAD TWO THREADED STUDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-6855, CLASS 1, GRADE 30 MIL SPEC SINGLE MATERIAL RESPONSE
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.500 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC
TECHNICAL CHARACTERISTICS
STYLE DESIGNATORPAN SHAPED PAD TWO THREADED STUDS
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-6855, CLASS 1, GRADE 30 MIL SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.250 INCHES NOMINAL IN
OVERALL WIDTH0.870 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.500 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC
SUBSTITUTES & CROSS-REFERENCES 1
7106789Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is H547-0253-49?
H547-0253-49 is a BUMPER.
What parts can replace H547-0253-49?
There is 1 known substitute for H547-0253-49: 7106789. Substitute compatibility should be verified for your specific system.
What is the NSN for H547-0253-49?
H547-0253-49 is cataloged in the U.S. Government catalog under NSN 5340-01-497-7324. 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.