PartsTable
Technical Data Sheet
Download PDF

8691435 — BELLOWS,PROTECTION

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

8691435: BELLOWS,PROTECTION.

The BELLOWS,PROTECTION is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC, neutral_length: 2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN, special_features: 25/64 IN. LG STEP TO LARGEST END,OD,FROM 2-13/32 IN.

DIA IN, thickness_at_both_ends: 0.188 INCHES NOMINAL IN, thickness_between_ends: 0.062 INCHES NOMINAL IN, large_end_inside_length: 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN. This part is cataloged in the U.S. Government catalog under NSN 5340-00-282-0560, 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
8691435
NSN: 5340-00-282-0560
FSC: 5340 — Hardware, Commercial
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialRUBBER SYNTHETIC
neutral_length2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN
special_features25/64 IN. LG STEP TO LARGEST END,OD,FROM 2-13/32 IN. DIA IN
thickness_at_both_ends0.188 INCHES NOMINAL IN
thickness_between_ends0.062 INCHES NOMINAL IN
large_end_inside_length0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
small_end_inside_length0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
large_end_outside_length0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
small_end_outside_length0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
durometer_hardness_rating45.0 MINIMUM AND 55.0 MAXIMUM
large_end_inside_diameter1.922 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
small_end_inside_diameter0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
NSN5340-00-282-0560
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 8691435 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
•
LARGE END OUTSIDE LENGTH: 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
•
SMALL END INSIDE DIAMETER: 0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
•
LARGE END INSIDE DIAMETER: 1.922 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
•
LARGE END OUTSIDE DIAMETER: 2.312 INCHES NOMINAL IN
•
SMALL END OUTSIDE DIAMETER: 1.062 INCHES NOMINAL IN
•
SMALL END OUTSIDE LENGTH: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-3065, CLASS SB, 515CFPJ MIL SPEC SINGLE MATERIAL RESPONSE
•
NEUTRAL LENGTH: 2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LARGE END OUTSIDE LENGTH0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN
SMALL END INSIDE DIAMETER0.797 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN
LARGE END INSIDE DIAMETER1.922 INCHES MINIMUM AND 1.953 INCHES MAXIMUM IN
LARGE END OUTSIDE DIAMETER2.312 INCHES NOMINAL IN
SMALL END OUTSIDE DIAMETER1.062 INCHES NOMINAL IN
SMALL END OUTSIDE LENGTH0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-3065, CLASS SB, 515CFPJ MIL SPEC SINGLE MATERIAL RESPONSE
NEUTRAL LENGTH2.984 INCHES MINIMUM AND 3.016 INCHES MAXIMUM IN
SMALL END INSIDE LENGTH0.172 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
LARGE END INSIDE LENGTH0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
Ready to buy 8691435?
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 8691435?
8691435 is a BELLOWS,PROTECTION.
What is the NSN for 8691435?
8691435 is cataloged in the U.S. Government catalog under NSN 5340-00-282-0560. 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 — 8691435

✓ 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.