61170-1018 — NUT,SELF-LOCKING,EXTENDED WASHER

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

61170-1018: NUT,SELF-LOCKING,EXTENDED WASHER.

NUT,SELF-LOCKING,EXTENDED WASHER. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: DOUBLE HEXAGON, lubrication: DRY FILM LUBRICANT, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF), overall_height: 0.720 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-358-7311, 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

61170-1018

NSN: 5310-01-358-7311
FSC: 5310 — Nuts and Washers
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
nut_style	DOUBLE HEXAGON
lubrication	DRY FILM LUBRICANT
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.720 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
surface_treatment	SILVER OVERALL
width_across_flats	0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
nominal_thread_size	0.625 INCHES IN
NSN	5310-01-358-7311

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: DRY FILM LUBRICANT

•

WASHER OUTSIDE DIAMETER: 1.030 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

WASHER THICKNESS: 0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

LUBRICATION	DRY FILM LUBRICANT
OVERALL HEIGHT	0.720 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	1.030 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
WASHER THICKNESS	0.090 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTION	RIGHT-HAND
NOMINAL THREAD SIZE	0.625 INCHES IN

OTHER ITEMS IN FSC 5310 — Nuts and Washers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540

SUBSTITUTES & CROSS-REFERENCES 1

15-0500-03225 ITEM 199Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

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 61170-1018?

61170-1018 is a NUT,SELF-LOCKING,EXTENDED WASHER.

What parts can replace 61170-1018?

There is 1 known substitute for 61170-1018: 15-0500-03225 ITEM 199. Substitute compatibility should be verified for your specific system.

What is the NSN for 61170-1018?

61170-1018 is cataloged in the U.S. Government catalog under NSN 5310-01-358-7311. This indicates validated use in U.S. government and defense supply chains.

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61170-1018 — NUT,SELF-LOCKING,EXTENDED WASHER

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