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131018 — CHAMBER,AIR BRAKE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

131018: CHAMBER,AIR BRAKE.

The CHAMBER,AIR BRAKE is a the manufacturer industrial component. Key specifications include criticality_code_justification: ZZZY. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-013-1018, 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
131018
NSN: 5310-00-013-1018
NIINs: 000131018, 005860645, 013830865
FSC: 5310 — Nuts and Washers
CAGE: 12204 — CHRYSLER REALTY COMPANY LLC DBA DAIMLER CHRYSLER (USA)
SPECIFICATIONS
criticality_code_justificationZZZY
reference_number_differentiating_characteristicsMATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL, MANUFACTURING AND TESTING SPECIFICATIONS
NSN5310-00-013-1018
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 131018 · 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
•
OVERALL DIAMETER: 1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
DEPARTURE FROM CITED DOCUMENT: AS MODIFIED BY SURFACE TREATMENT RQMT
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
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SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.740 INCHES MINIMUM AND 1.760 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
DEPARTURE FROM CITED DOCUMENTAS MODIFIED BY SURFACE TREATMENT RQMT
NONDEFINITIVE SPEC/STD DATAA TYPE
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.928 INCHES MINIMUM AND 0.948 INCHES MAXIMUM IN
THICKNESS0.108 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 2
MILW1085TYPEAReference document
Same NSN cross-reference
Reference document — Identification reference
BEBX1S1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 131018?
131018 is a CHAMBER,AIR BRAKE.
What parts can replace 131018?
There are 2 known substitutes for 131018: MILW1085TYPEA, BEBX1S1. Substitute compatibility should be verified for your specific system.
What is the NSN for 131018?
131018 is cataloged in the U.S. Government catalog under NSN 5310-00-013-1018. 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.