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PIN101 — PIN,PISTON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

PIN101: PIN,PISTON.

The PIN,PISTON is a the manufacturer industrial component. Key specifications include material: STEEL, nut_style: SPLINE, body_style: PLAIN ENDS, hole_depth: 0.8750 INCHES NOMINAL IN, nut_height: 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN, body_length: 4.3200 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-004-7355, 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
PIN101
NSN: 5310-00-004-7355
NIINs: 000047355, 000542139
FSC: 5310 — Nuts and Washers
CAGE: 54X10 — RAYTHEON COMPANY (USA)
SPECIFICATIONS
materialSTEEL
nut_styleSPLINE
body_stylePLAIN ENDS
hole_depth0.8750 INCHES NOMINAL IN
nut_height0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
body_length4.3200 INCHES NOMINAL IN
nut_diameter0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
pilot_length0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
thread_class2B
hole_diameter0.1900 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.226 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
NSN5310-00-004-7355
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: PIN101 · OEM ⚠ 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A276-55 ASSN STD 2ND MATERIAL RESPONSE OVERALL
•
NUT COUNTERBORE DEPTH: 0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM FIRST END IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
NUT DIAMETER: 0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
•
COUNTERBORE DIAMETER: 0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM FIRST END IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC 1ST MATERIAL RESPONSE OR ASTM A582 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A276-55 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NUT COUNTERBORE DEPTH0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM FIRST END IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.164 INCHES IN
NUT DIAMETER0.309 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
COUNTERBORE DIAMETER0.187 INCHES MINIMUM AND 0.190 INCHES MAXIMUM FIRST END IN
PILOT DIAMETER0.226 INCHES MINIMUM AND 0.230 INCHES MAXIMUM IN
PILOT LENGTH0.075 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
364-1020P17Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7203680P012Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
10049333-5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6252B-SS-0832-7Reference document
Same NSN cross-reference
Reference document — Secondary reference
1264-1274-4Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
70-201172-084Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 PIN101?
PIN101 is a PIN,PISTON.
What parts can replace PIN101?
There are 6 known substitutes for PIN101: 364-1020P17, 7203680P012, 10049333-5 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for PIN101?
PIN101 is cataloged in the U.S. Government catalog under NSN 5310-00-004-7355. 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.