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16-AAC240A — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

16-AAC240A: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER POLYURETHANE, overall_height: 0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN, style_designator: ROUND TOP, outside/top_flange_diameter: 0.628 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-656-0040, 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
16-AAC240A
NSN: 5340-01-656-0040
FSC: 5340 — Hardware, Commercial
CAGE: 06RP6 — DRS NAVAL POWER SYSTEMS INC DBA DRS POWER & CONTROL TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialRUBBER POLYURETHANE
overall_height0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
style_designatorROUND TOP
outside/top_flange_diameter0.628 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN
NSN5340-01-656-0040
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16-AAC240A 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: 0.628 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: ROUND TOP
•
MATERIAL: RUBBER POLYURETHANE
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.308 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
OUTSIDE/TOP FLANGE DIAMETER0.628 INCHES MINIMUM AND 0.632 INCHES MAXIMUM IN
STYLE DESIGNATORROUND TOP
MATERIALRUBBER POLYURETHANE
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 1
7100002892Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 16-AAC240A?
16-AAC240A is a BUMPER.
What parts can replace 16-AAC240A?
There is 1 known substitute for 16-AAC240A: 7100002892. Substitute compatibility should be verified for your specific system.
What is the NSN for 16-AAC240A?
16-AAC240A is cataloged in the U.S. Government catalog under NSN 5340-01-656-0040. 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.