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Technical Data Sheet
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151178 — WASHER,FLAT

✓ Government record, cited
Equip · NUT WASHER
PRODUCT OVERVIEW

151178: WASHER,FLAT.

The equip® Cable Boot is a cost-effective component to finish and protect RJ45 cables. Key specifications include first_leg_angle: 90.0 DEGREES NOMINAL, first_leg_width: 0.343 INCHES NOMINAL IN, first_leg_length: 0.531 INCHES NOMINAL IN, second_leg_width: 0.343 INCHES NOMINAL IN, second_leg_length: 2.343 INCHES NOMINAL IN, second_leg_relationship_to_first_leg: NOT IDENTICAL. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-178-8708, 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
151178
NSN: 5310-00-178-8708
NIINs: 001788708, 003700814
FSC: 5310 — Nuts and Washers
CAGE: 77445 — RTX CORPORATION DBA PRATT & WHITNEY DIV PRATT &WHITNEY (USA)
SPECIFICATIONS
first_leg_angle90.0 DEGREES NOMINAL
first_leg_width0.343 INCHES NOMINAL IN
first_leg_length0.531 INCHES NOMINAL IN
second_leg_width0.343 INCHES NOMINAL IN
second_leg_length2.343 INCHES NOMINAL IN
second_leg_relationship_to_first_legNOT IDENTICAL
NSN5310-00-178-8708
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 151178 · Equip ⚠ 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
•
OVERALL DIAMETER: 0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
•
HEAT TREATMENT: AS FABRICATED
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
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MATERIAL: STEEL COMP 321 OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER0.430 INCHES MINIMUM AND 0.450 INCHES MAXIMUM IN
HEAT TREATMENTAS FABRICATED
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5510 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL COMP 321 OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.276 INCHES MINIMUM AND 0.286 INCHES MAXIMUM IN
THICKNESS0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 151178?
151178 is a WASHER,FLAT manufactured by Equip.
What is the NSN for 151178?
151178 is cataloged in the U.S. Government catalog under NSN 5310-00-178-8708. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.