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A1634 — INSIGNIA,SHOULDER SLEEVE

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

A1634: INSIGNIA,SHOULDER SLEEVE.

The INSIGNIA,SHOULDER SLEEVE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1035 OVERALL, head_style: HEXAGON, head_height: 0.234 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 0.875 INCHES MINIMUM IN, fastener_length: 3.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-272-4233, 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→ A1634
NSN: 5306-00-272-4233
NIINs: 002724233, 014935563, 015288460, 016642643, 017136425, 017136430
FSC: 5306 — Bolts
CAGE: 13841 — TIFFIN PARTS, L.L.C. DIV SUBSIDIARY OF PETTIBONE CORP. (USA)
SPECIFICATIONS
materialSTEEL COMP 1035 OVERALL
head_styleHEXAGON
head_height0.234 INCHES NOMINAL IN
thread_class2A A
thread_length0.875 INCHES MINIMUM IN
fastener_length3.750 INCHES NOMINAL IN
hardness_rating248.0 BRINELL STANDARD MINIMUM AND 285.0 BRINELL STANDARD MAXIMUM OVERALL
special_featuresFULL COLOR, WITH YELLOW 67108, SCARLET 67111, BLACK 67138, AND ULTRAMARINE BLUE 67118
thread_directionRIGHT-HAND
attachment_methodHOOK FASTENER
features_providedEMBROIDERED
design_designation130TH FIELD ARTILLERY BRIGADE, KANSAS ARMY NATIONAL GUARD
NSN5306-00-272-4233
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A1634 · 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
•
HEAD HEIGHT: 0.234 INCHES NOMINAL IN
•
FASTENER LENGTH: 3.750 INCHES NOMINAL IN
•
THREAD LENGTH: 0.875 INCHES MINIMUM IN
•
HARDNESS RATING: 248.0 BRINELL STANDARD MINIMUM AND 285.0 BRINELL STANDARD MAXIMUM OVERALL
•
SHANK UNTHREADED HOLE DIAMETER: 0.078 INCHES NOMINAL FIRST HOLE IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.234 INCHES NOMINAL IN
FASTENER LENGTH3.750 INCHES NOMINAL IN
THREAD LENGTH0.875 INCHES MINIMUM IN
HARDNESS RATING248.0 BRINELL STANDARD MINIMUM AND 285.0 BRINELL STANDARD MAXIMUM OVERALL
SHANK UNTHREADED HOLE DIAMETER0.078 INCHES NOMINAL FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.312 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SUBSTITUTES & CROSS-REFERENCES 1
472767Reference 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 A1634?
A1634 is a INSIGNIA,SHOULDER SLEEVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace A1634?
There is 1 known substitute for A1634: 472767. Substitute compatibility should be verified for your specific system.
What is the NSN for A1634?
A1634 is cataloged in the U.S. Government catalog under NSN 5306-00-272-4233. This indicates validated use in U.S. government and defense supply chains.
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