271851 — WASHER,SPRING TENSION

✓ Government record, cited

— · NUT WASHER

PRODUCT OVERVIEW

271851: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY X-750 OVERALL, hole_diameter: 3.500 INCHES MINIMUM IN, overall_height: 0.120 INCHES NOMINAL IN, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM, outside_diameter: 3.700 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN, surface_treatment: CHROMIUM OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-678-9519, 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

271851

NSN: 5310-00-678-9519
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)

SPECIFICATIONS

material	NICKEL ALLOY X-750 OVERALL
hole_diameter	3.500 INCHES MINIMUM IN
overall_height	0.120 INCHES NOMINAL IN
hardness_rating	30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
outside_diameter	3.700 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN
surface_treatment	CHROMIUM OVERALL
material_thickness	0.039 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
material_document_and_classification	AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classification	AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NSN	5310-00-678-9519

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

OUTSIDE DIAMETER: 3.700 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN

•

MATERIAL THICKNESS: 0.039 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN

•

SURFACE TREATMENT: CHROMIUM OVERALL

•

MATERIAL: NICKEL ALLOY X-750 OVERALL

TECHNICAL CHARACTERISTICS

OVERALL HEIGHT	0.120 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2406 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING	30.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5542 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER	3.700 INCHES MINIMUM AND 3.710 INCHES MAXIMUM IN
MATERIAL THICKNESS	0.039 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
SURFACE TREATMENT	CHROMIUM OVERALL
MATERIAL	NICKEL ALLOY X-750 OVERALL
HOLE DIAMETER	3.500 INCHES MINIMUM 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

No substitute or cross-reference records for this part.

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 271851?

271851 is a WASHER,SPRING TENSION.

What is the NSN for 271851?

271851 is cataloged in the U.S. Government catalog under NSN 5310-00-678-9519. This indicates validated use in U.S. government and defense supply chains.

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271851 — WASHER,SPRING TENSION

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