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Technical Data Sheet
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A8289 — A8289

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

A8289: A8289.

The A8289 is a the manufacturer industrial component. Key specifications include overall_width: 4.438 INCHES NOMINAL IN, overall_height: 0.3125 INCHES NOMINAL IN, overall_length: 6.750 INCHES NOMINAL IN, part_name_assigned_by_controlling_agency: FSC APPLICATION DATA: DATA TERMINAL SET,RADIO COMMUNICATION,NONAIRBORNE. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-737-1059, 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
MRO→ MRO_GENERAL→ A8289
NSN: 5306-00-737-1059
NIINs: 007371059, 009930784
FSC: 5306 — Bolts
CAGE: 34623 — AM GENERAL LLC (USA)
SPECIFICATIONS
overall_width4.438 INCHES NOMINAL IN
overall_height0.3125 INCHES NOMINAL IN
overall_length6.750 INCHES NOMINAL IN
part_name_assigned_by_controlling_agencyFSC APPLICATION DATA: DATA TERMINAL SET,RADIO COMMUNICATION,NONAIRBORNE
NSN5306-00-737-1059
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A8289 · OEM ⚠ 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
•
INSIDE DISTANCE BETWEEN SHANKS: 2.938 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES MAXIMUM IN
•
HARDNESS RATING: 32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
•
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 6.594 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
NOMINAL THREAD DIAMETER: 0.438 INCHES IN
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
INSIDE DISTANCE BETWEEN SHANKS2.938 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES MAXIMUM IN
HARDNESS RATING32.0 ROCKWELL C MINIMUM AND 37.0 ROCKWELL C MAXIMUM OVERALL
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END6.594 INCHES NOMINAL IN
STYLE DESIGNATORROUND BEND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-624 FED SPEC ALL MATERIAL RESPONSES OVERALL
NOMINAL THREAD DIAMETER0.438 INCHES IN
THREAD DIRECTIONRIGHT-HAND
SPECIAL FEATURESCROWN OF BOLT FLATTENED FOR LARGER SEATING SURFACE
MINIMUM YIELD STRENGTH140000 POUNDS PER SQUARE INCH LBS
SUBSTITUTES & CROSS-REFERENCES 1
GPW5453BReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A8289?
A8289 is a A8289. It is classified as a MRO (MRO_GENERAL).
What parts can replace A8289?
There is 1 known substitute for A8289: GPW5453B. Substitute compatibility should be verified for your specific system.
What is the NSN for A8289?
A8289 is cataloged in the U.S. Government catalog under NSN 5306-00-737-1059. 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.