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1-260-040 — GASKET

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

1-260-040: GASKET.

The GASKET is a the manufacturer industrial component. Key specifications include special_features: 3 IN MOLDED NEOPRENE, 1 7/8 HGT, 4 5/16 OVERALL LG // USED ON: 4630-01-414-9253 IN, end_item_identification: FORCE PROVIDER, part_name_assigned_by_controlling_agency: SIDE COVER GASKET,OIL TANK. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-764-7279, 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
1-260-040
NSN: 5310-00-764-7279
NIINs: 007647279, 014701547, 014980174
FSC: 5310 — Nuts and Washers
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)
SPECIFICATIONS
special_features3 IN MOLDED NEOPRENE, 1 7/8 HGT, 4 5/16 OVERALL LG // USED ON: 4630-01-414-9253 IN
end_item_identificationFORCE PROVIDER
part_name_assigned_by_controlling_agencySIDE COVER GASKET,OIL TANK
NSN5310-00-764-7279
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1-260-040 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
PLATE THICKNESS: 0.047 INCHES MAXIMUM IN
•
NUT LENGTH: 0.948 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNJC
•
PLATE WIDTH: 0.195 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
•
TEMP RATING: 450.0 FAHRENHEIT MAXIMUM DEGF
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
PLATE THICKNESS0.047 INCHES MAXIMUM IN
NUT LENGTH0.948 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNJC
PLATE WIDTH0.195 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
TEMP RATING450.0 FAHRENHEIT MAXIMUM DEGF
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
HARDNESS RATING49.0 ROCKWELL C MAXIMUM
MOUNTING HOLE DIAMETER0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 4
MS21047L04Reference document
Same NSN cross-reference
Reference document — Secondary reference
T2S440Reference document
Same NSN cross-reference
Reference document — Secondary reference
RM52LHTA51-40Reference document
Same NSN cross-reference
Reference document — Secondary reference
R2000A04Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 1-260-040?
1-260-040 is a GASKET.
What parts can replace 1-260-040?
There are 4 known substitutes for 1-260-040: MS21047L04, T2S440, RM52LHTA51-40 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1-260-040?
1-260-040 is cataloged in the U.S. Government catalog under NSN 5310-00-764-7279. This indicates validated use in U.S. government and defense supply chains.
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