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178263 — NUT,PLAIN,CAP

✓ Government record, cited
Hama · NUT WASHER
PRODUCT OVERVIEW

178263: NUT,PLAIN,CAP.

The NUT,PLAIN,CAP is a Hama industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-00-019-7685, 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
178263
NSN: 5310-00-019-7685
NIINs: 000197685, 004379286
FSC: 5310 — Nuts and Washers
CAGE: 57712 — TELEMECHANICS INC (USA)
SPECIFICATIONS
Part Number178263
ManufacturerHama
NSN5310-00-019-7685
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 178263 · Hama ⚠ 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
•
WIDTH ACROSS FLATS: 0.500 INCHES NOMINAL IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
•
NUT HEIGHT: 0.408 INCHES NOMINAL IN
•
NUT STYLE: CAP
•
THREAD CLASS: 2B
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.500 INCHES NOMINAL IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.125 INCHES IN
NUT HEIGHT0.408 INCHES NOMINAL IN
SPECIAL FEATURESSLOTTED FACE 0.350 IN. W BY 0.100 IN. DP IN
NUT STYLECAP
THREAD CLASS2B
THREAD QUANTITY PER INCH40
MATERIALSTEEL OVERALL
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 178263?
178263 is a NUT,PLAIN,CAP manufactured by Hama.
What is the NSN for 178263?
178263 is cataloged in the U.S. Government catalog under NSN 5310-00-019-7685. 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.