79318CM-428 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

79318CM-428: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include end_item_identification: KC-46 AIRCRAFT, reference_number_differentiating_characteristics: ITEM IS FAA CERTIFIED. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-116-1207, 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

79318CM-428

NSN: 5310-01-116-1207
NIINs: 011161207, 016879456
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

end_item_identification	KC-46 AIRCRAFT
reference_number_differentiating_characteristics	ITEM IS FAA CERTIFIED
NSN	5310-01-116-1207

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.420 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.306 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF

•

WASHER THICKNESS: 0.020 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5737 NATIONAL SPEC ALL MATERIAL RESPONSES OR AMS5525 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.173 INCHES MINIMUM AND 0.203 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.420 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.306 INCHES MINIMUM AND 0.316 INCHES MAXIMUM IN
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	450.0 FAHRENHEIT NOMINAL DEGF
WASHER THICKNESS	0.020 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5737 NATIONAL SPEC ALL MATERIAL RESPONSES OR AMS5525 NATIONAL SPEC ALL MATERIAL RESPONSES OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.250 INCHES IN

SUBSTITUTES & CROSS-REFERENCES 7

BH788-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

MC15189Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M788-4Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

10109286Reference document

Same NSN cross-reference

Reference document — Informative reference only

E12589-4Reference document

Same NSN cross-reference

Reference document — Secondary reference

SLN206-3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 79318CM-428?

79318CM-428 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 79318CM-428?

There are 7 known substitutes for 79318CM-428: BH788-4, MC15189, ST3M788-4 and 4 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 79318CM-428?

79318CM-428 is cataloged in the U.S. Government catalog under NSN 5310-01-116-1207. This indicates validated use in U.S. government and defense supply chains.

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79318CM-428 — NUT,SELF-LOCKING,EXTENDED WASHER

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