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2122703-144 — PIN,HOLLOW

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

2122703-144: PIN,HOLLOW.

The PIN,HOLLOW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OVERALL, first_end_style: CHAMFERED W/THRU HOLE, hardness_rating: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL, inside_diameter: 0.259 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN, special_features: 0.250-20 UNC 2B THREAD 0.532 IN. MIN 0.592 IN.

MAX DP ON GROOVED END ONLY IN, surface_treatment: PHOSPHATE MANGANESE OVERALL. This part is cataloged in the U.S. Government catalog under NSN 5315-01-244-7038, 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
2122703-144
NSN: 5315-01-244-7038
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OVERALL
first_end_styleCHAMFERED W/THRU HOLE
hardness_rating30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
inside_diameter0.259 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
special_features0.250-20 UNC 2B THREAD 0.532 IN. MIN 0.592 IN. MAX DP ON GROOVED END ONLY IN
surface_treatmentPHOSPHATE MANGANESE OVERALL
pin_overall_length1.375 INCHES NOMINAL IN
pin_overall_diameter0.5009 INCHES MINIMUM AND 0.5011 INCHES MAXIMUM IN
first_end_taper_angle10.0 DEGREES MINIMUM AND 15.0 DEGREES MAXIMUM
material_document_and_classificationAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
surface_treatment_document_and_classificationDOD-P-16232 TY M CL 1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5315-01-244-7038
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2122703-144 · 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: DOD-P-16232 TY M CL 1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
FIRST END STYLE: CHAMFERED W/THRU HOLE
•
HARDNESS RATING: 30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FIRST END TAPER ANGLE: 10.0 DEGREES MINIMUM AND 15.0 DEGREES MAXIMUM
•
PIN OVERALL DIAMETER: 0.5009 INCHES MINIMUM AND 0.5011 INCHES MAXIMUM IN
•
PIN OVERALL LENGTH: 1.375 INCHES NOMINAL IN
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONDOD-P-16232 TY M CL 1 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL
FIRST END STYLECHAMFERED W/THRU HOLE
HARDNESS RATING30.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FIRST END TAPER ANGLE10.0 DEGREES MINIMUM AND 15.0 DEGREES MAXIMUM
PIN OVERALL DIAMETER0.5009 INCHES MINIMUM AND 0.5011 INCHES MAXIMUM IN
PIN OVERALL LENGTH1.375 INCHES NOMINAL IN
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
INSIDE DIAMETER0.259 INCHES MINIMUM AND 0.269 INCHES MAXIMUM IN
SPECIAL FEATURES0.250-20 UNC 2B THREAD 0.532 IN. MIN 0.592 IN. MAX DP ON GROOVED END ONLY IN
OTHER ITEMS IN FSC 5315 — Nails, Machine Keys, and Pins
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5315-00-000-1037 5315-00-000-1067 5315-00-000-1245 5315-00-000-1372 5315-00-000-1412 5315-00-001-1571 5315-00-001-1572 5315-00-001-1602
SUBSTITUTES & CROSS-REFERENCES 1
5315PL0862535Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 2122703-144?
2122703-144 is a PIN,HOLLOW.
What parts can replace 2122703-144?
There is 1 known substitute for 2122703-144: 5315PL0862535. Substitute compatibility should be verified for your specific system.
What is the NSN for 2122703-144?
2122703-144 is cataloged in the U.S. Government catalog under NSN 5315-01-244-7038. 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.