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750507-1 — BELLOWS,PROTECTION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

750507-1: BELLOWS,PROTECTION.

The BELLOWS,PROTECTION is a the manufacturer industrial component. Key specifications include material: RUBBER, neutral_length: 1.203 INCHES NOMINAL IN, contracted_length: 1.703 INCHES NOMINAL IN, features_provided: FLANGED BASE, mounting_hole_diameter: 0.180 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-185-8783, 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
750507-1
NSN: 5315-01-185-8783
NIINs: 011858783, 013619722
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 80249 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. (USA)
SPECIFICATIONS
materialRUBBER
neutral_length1.203 INCHES NOMINAL IN
contracted_length1.703 INCHES NOMINAL IN
features_providedFLANGED BASE
mounting_hole_diameter0.180 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
mounting_hole_quantity4
NSN5315-01-185-8783
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 750507-1 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
SHANK DIAMETER: 0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
•
SECOND SHANK DIAMETER: 0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
•
UNDERCUT WIDTH: 0.094 INCHES NOMINAL IN
•
UNDERCUT DIAMETER: 0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
FIRST END LOCATION: SQUARE END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35,TYPE 1,2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 0.206 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
SECOND SHANK DIAMETER0.145 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN
UNDERCUT WIDTH0.094 INCHES NOMINAL IN
UNDERCUT DIAMETER0.116 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
FIRST END LOCATIONSQUARE END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35,TYPE 1,2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH0.206 INCHES NOMINAL IN
FIRST END STYLESQUARE
SHANK LENGTH0.206 INCHES NOMINAL IN
STYLE DESIGNATORUNDERCUT
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 750507-1?
750507-1 is a BELLOWS,PROTECTION.
What is the NSN for 750507-1?
750507-1 is cataloged in the U.S. Government catalog under NSN 5315-01-185-8783. 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.