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4684890 ITEM 11 — BUMPER

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

4684890 ITEM 11: BUMPER.

The BUMPER is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL, overall_width: 1.560 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, special_features: 0.281 IN. HOLE DIA,CBORE 0.500 IN.

DIA,0.180 IN. DEEP IN, style_designator: RECTANGULAR. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-280-7162, 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
4684890 ITEM 11
NSN: 5340-01-280-7162
FSC: 5340 — Hardware, Commercial
CAGE: 16623 — UNITED STATES DEPARTMENT OF THE NAVY DBA NAVAL UNDERSEA WARFARE CTR DIV (USA)
SPECIFICATIONS
materialPLASTIC ACETAL
overall_width1.560 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
special_features0.281 IN. HOLE DIA,CBORE 0.500 IN. DIA,0.180 IN. DEEP IN
style_designatorRECTANGULAR
material_document_and_classificationDUPONT CO, DELRIN 150 MFR REF SINGLE MATERIAL RESPONSE
NSN5340-01-280-7162
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 4684890 ITEM 11 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: DUPONT CO, DELRIN 150 MFR REF SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC ACETAL
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT0.500 INCHES NOMINAL IN
STYLE DESIGNATORRECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONDUPONT CO, DELRIN 150 MFR REF SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.000 INCHES NOMINAL IN
OVERALL WIDTH1.560 INCHES NOMINAL IN
SPECIAL FEATURES0.281 IN. HOLE DIA,CBORE 0.500 IN. DIA,0.180 IN. DEEP IN
MATERIALPLASTIC ACETAL
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 2
56-10-4078Reference document
Same NSN cross-reference
Reference document — Secondary reference
4694890-0011Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4684890 ITEM 11?
4684890 ITEM 11 is a BUMPER.
What parts can replace 4684890 ITEM 11?
There are 2 known substitutes for 4684890 ITEM 11: 56-10-4078, 4694890-0011. Substitute compatibility should be verified for your specific system.
What is the NSN for 4684890 ITEM 11?
4684890 ITEM 11 is cataloged in the U.S. Government catalog under NSN 5340-01-280-7162. This indicates validated use in U.S. government and defense supply chains.
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