PartsTable
Technical Data Sheet
Download PDF

12542782 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

12542782: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, hole_diameter: 0.250 INCHES NOMINAL IN, overall_height: 1.500 INCHES NOMINAL IN, special_features: W/EMBEDDED METAL WASHER, style_designator: FLAT TOP COUNTERBORED, first_counterbore_depth: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-00-253-0179, 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
12542782
NSN: 5340-00-253-0179
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER
hole_diameter0.250 INCHES NOMINAL IN
overall_height1.500 INCHES NOMINAL IN
special_featuresW/EMBEDDED METAL WASHER
style_designatorFLAT TOP COUNTERBORED
end_item_identificationSUPPORT EQUIPMENT, F-106 AIRCRAFT; AIRCRAFT, EAGLE F-15; SUPPORT EQUIPMENT, B-1 AIRCRAFT; AIRCRAFT, F-111; ENGINE, AIRCRAFT, F101-GE-102 (B-1); AIRCRAFT, B-2 BOMBER (ATB)
first_counterbore_depth0.375 INCHES NOMINAL IN
first_counterbore_diameter0.750 INCHES NOMINAL IN
outside/top_flange_diameter1.500 INCHES NOMINAL IN
NSN5340-00-253-0179
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 12542782 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
•
OUTSIDE/TOP FLANGE DIAMETER: 1.500 INCHES NOMINAL IN
•
FIRST COUNTERBORE DIAMETER: 0.750 INCHES NOMINAL IN
•
STYLE DESIGNATOR: FLAT TOP COUNTERBORED
•
FIRST COUNTERBORE DEPTH: 0.375 INCHES NOMINAL IN
•
COLOR: BLACK
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT1.500 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER1.500 INCHES NOMINAL IN
FIRST COUNTERBORE DIAMETER0.750 INCHES NOMINAL IN
STYLE DESIGNATORFLAT TOP COUNTERBORED
FIRST COUNTERBORE DEPTH0.375 INCHES NOMINAL IN
COLORBLACK
SPECIAL FEATURESW/EMBEDDED METAL WASHER
END ITEM IDENTIFICATIONSUPPORT EQUIPMENT, F-106 AIRCRAFT; AIRCRAFT, EAGLE F-15; SUPPORT EQUIPMENT, B-1 AIRCRAFT; AIRCRAFT, F-111; ENGINE, AIRCRAFT, F101-GE-102 (B-1); AIRCRAFT, B-2 BOMBER (ATB)
MATERIALRUBBER
HOLE DIAMETER0.250 INCHES NOMINAL IN
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 3
RBW-1500-003Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
17-3-3107-1Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
5340PL0845416Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 12542782?
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 12542782?
12542782 is a BUMPER.
What parts can replace 12542782?
There are 3 known substitutes for 12542782: RBW-1500-003, 17-3-3107-1, 5340PL0845416. Substitute compatibility should be verified for your specific system.
What is the NSN for 12542782?
12542782 is cataloged in the U.S. Government catalog under NSN 5340-00-253-0179. 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 — 12542782

✓ 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.