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251439 — CONNECTOR,RECEPTACLE,ELECTRICAL

✓ Government record, cited
TCL · BOLT SCREW
PRODUCT OVERVIEW

251439: CONNECTOR,RECEPTACLE,ELECTRICAL.

4K HDR This TCL 4K HDR television delivers a remarkable visual experience reproducing in stunning details all shades of light and natural colors for a truly immersive viewing experience via 3,840 x 2,160 pixels (4 times the number of pixels on Full HD TVs). Micro Dimming Micro Dimming PRO uses smart technology to analyse your TV image, ensuring enhanced picture quality and an unrivalled visual experience. See how local dimming is applied via over one hundred separate zones to fine tune movies and TV, resulting in brightness and contrast levels to suit every scene.

Make your TV sound richer than ever with Dolby Audio Sound matters when watching TV, whether you love to catch the latest box sets, sports events, or social media videos. TCL's TVs feature Dolby Audio technology, which guarantees high sound quality, placing viewers at the centre of the action every time. Android TV TCL's AndroidTV comes with Google Home and Assistan This part is cataloged in the U.S.

Government catalog under NSN 5305-00-269-2813, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
251439
NSN: 5305-00-269-2813
NIINs: 002692813, 013439785
FSC: 5305 — Screws
CAGE: H0001 — DAF TRUCKS N.V. (NLD)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
thread_class2A A
thread_length1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
fastener_length2.750 INCHES NOMINAL IN
hardness_rating23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
special_featuresCONNECTOR; SMART SYSTEM P/N24840;BASE TEN SYSTEMS INC
thread_directionRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_between_flats0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
NSN5305-00-269-2813
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 251439 · TCL ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.750 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
THREAD LENGTH: 1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
•
HARDNESS RATING: 23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.226 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN
FASTENER LENGTH2.750 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH1.000 INCHES MINIMUM AND 1.188 INCHES MAXIMUM IN
HARDNESS RATING23.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 6
0251439Reference document
Same NSN cross-reference
Reference document — Secondary reference
60-6-26Reference document
Same NSN cross-reference
Reference document — Secondary reference
2C644Reference document
Same NSN cross-reference
Reference document — Secondary reference
5305002692813Reference document
Same NSN cross-reference
Reference document — Informative reference only
MS35296-69Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS90726-69Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 251439?
251439 is a CONNECTOR,RECEPTACLE,ELECTRICAL manufactured by TCL.
What parts can replace 251439?
There are 6 known substitutes for 251439: 0251439, 60-6-26, 2C644 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 251439?
251439 is cataloged in the U.S. Government catalog under NSN 5305-00-269-2813. 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.