178255 — WINDOW

✓ Government record, cited

— · MRO · MRO_GENERAL

PRODUCT OVERVIEW

178255: WINDOW.

The WINDOW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, lubrication: SOLUBLE LUBRICANT, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, thread_class: 3B, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF). This part is cataloged in the U.S.

Government catalog under NSN 5310-00-807-1469, 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

MRO→ MRO_GENERAL→ 178255

NSN: 5310-00-807-1469
NIINs: 008071469, 009436471, 010389012
FSC: 5310 — Nuts and Washers
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)

SPECIFICATIONS

material	STEEL OVERALL
nut_style	HEXAGON
lubrication	SOLUBLE LUBRICANT
temp_rating	450.0 FAHRENHEIT NOMINAL DEGF
thread_class	3B
thread_series	UNIFIED NATIONAL JOINT FINE (UNJF)
overall_height	0.251 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
hardness_rating	49.0 ROCKWELL C MAXIMUM
locking_feature	PREVAILING TORQUE ALL METAL DESIGN
thread_direction	RIGHT-HAND
washer_thickness	0.023 INCHES MINIMUM IN
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5310-00-807-1469

COMPONENT DIAGRAM

KEY FEATURES

•

LUBRICATION: SOLUBLE LUBRICANT

•

WASHER OUTSIDE DIAMETER: 0.520 INCHES MAXIMUM IN

•

WIDTH ACROSS FLATS: 0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)

•

TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF

•

HARDNESS RATING: 49.0 ROCKWELL C MAXIMUM

TECHNICAL CHARACTERISTICS

LUBRICATION	SOLUBLE LUBRICANT
OVERALL HEIGHT	0.251 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN
WASHER OUTSIDE DIAMETER	0.520 INCHES MAXIMUM IN
WIDTH ACROSS FLATS	0.367 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIES	UNIFIED NATIONAL JOINT FINE (UNJF)
TEMP RATING	450.0 FAHRENHEIT NOMINAL DEGF
HARDNESS RATING	49.0 ROCKWELL C MAXIMUM
WASHER THICKNESS	0.023 INCHES MINIMUM IN
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 8

R4130-524Reference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

T98S524CPFReference document

Same NSN cross-reference

Reference document — Secondary reference

503443Reference document

Same NSN cross-reference

Reference document — Secondary reference

T98S524CPCReference document

Same NSN cross-reference

Reference document — Secondary reference

F52LH3324-054Reference document

Same NSN cross-reference

Reference document — Secondary reference

5310PL0206536Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusCancelled· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 178255?

178255 is a WINDOW. It is classified as a MRO (MRO_GENERAL).

What parts can replace 178255?

There are 8 known substitutes for 178255: R4130-524, T98S524CPF, 503443 and 5 more. Substitute compatibility should be verified for your specific system.

What is the NSN for 178255?

178255 is cataloged in the U.S. Government catalog under NSN 5310-00-807-1469. This indicates validated use in U.S. government and defense supply chains.

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