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A1728 — INSIGNIA,SHOULDER SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A1728: INSIGNIA,SHOULDER SLEEVE.

The INSIGNIA,SHOULDER SLEEVE is a the manufacturer industrial component. Key specifications include features_provided: EMBROIDERED AND FULL COLOR AREAS, design_designation: FINANCE CENTER, department_designation: US ARMY, procurement_group_code: 20647, nondefinitive_spec/std_data: I TYPE AND 1 STYLE AND 1 CLASS, award_identification_designator: 175TH. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-011-7049, 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
A1728
NSN: 5310-00-011-7049
NIINs: 000117049, 001561715, 002748335, 012795652
FSC: 5310 — Nuts and Washers
CAGE: 37159 — LUFKIN INDUSTRIES, INC. DBA POWER TRANSMISSION (USA)
SPECIFICATIONS
features_providedEMBROIDERED AND FULL COLOR AREAS
design_designationFINANCE CENTER
department_designationUS ARMY
procurement_group_code20647
nondefinitive_spec/std_dataI TYPE AND 1 STYLE AND 1 CLASS
award_identification_designator175TH
reference_number_differentiating_characteristicsAS DIFFERENTIATED BY SCARLET,SILVER GRAY,GOLDEN YELLOW AND ULTRAMARINE BLUE COLOR AREAS
NSN5310-00-011-7049
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A1728 · 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
•
WIDTH ACROSS FLATS: 0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THREAD CLASS
•
NONDEFINITIVE SPEC/STD DATA: 2 TYPE AND 4 STYLE
•
NUT HEIGHT: 0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.375 INCHES IN
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THREAD CLASS
NONDEFINITIVE SPEC/STD DATA2 TYPE AND 4 STYLE
NUT HEIGHT0.320 INCHES MINIMUM AND 0.337 INCHES MAXIMUM IN
NUT STYLEHEXAGON
THREAD CLASS3B
THREAD QUANTITY PER INCH24
SUBSTITUTES & CROSS-REFERENCES 8
16TX933Reference document
Same NSN cross-reference
Reference document — Secondary reference
103026Reference document
Same NSN cross-reference
Reference document — Secondary reference
NT67446Reference document
Same NSN cross-reference
Reference document — Secondary reference
X420Reference document
Same NSN cross-reference
Reference document — Secondary reference
0910123Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
6X33-8Reference 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 A1728?
A1728 is a INSIGNIA,SHOULDER SLEEVE.
What parts can replace A1728?
There are 8 known substitutes for A1728: 16TX933, 103026, NT67446 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1728?
A1728 is cataloged in the U.S. Government catalog under NSN 5310-00-011-7049. This indicates validated use in U.S. government and defense supply chains.
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