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A187-3 — INSIGNIA,SHOULDER SLEEVE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A187-3: INSIGNIA,SHOULDER SLEEVE.

The INSIGNIA,SHOULDER SLEEVE is a the manufacturer industrial component. Key specifications include user_designator: MAN AND WOMAN, special_features: FULL COLOR, WITH WHITE 67101, SCARLET 67111, AND BLACK 67138, attachment_method: HOOK FASTENER, features_provided: EMBROIDERED, design_designation: 36TH ENGINEER BRIGADE, unpackaged_unit_width: 2.37 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-146-0781, 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
A187-3
NSN: 5310-00-146-0781
NIINs: 001460781, 015413141, 016480135, 017171479, 017171481
FSC: 5310 — Nuts and Washers
CAGE: 13899 — HYDRO-FITTING MANUFACTURING CORPORATION (USA)
SPECIFICATIONS
user_designatorMAN AND WOMAN
special_featuresFULL COLOR, WITH WHITE 67101, SCARLET 67111, AND BLACK 67138
attachment_methodHOOK FASTENER
features_providedEMBROIDERED
design_designation36TH ENGINEER BRIGADE
unpackaged_unit_width2.37 INCHES MAXIMUM IN
department_designationUS ARMY
unpackaged_unit_height2.81 INCHES MAXIMUM IN
nondefinitive_spec/std_dataI TYPE AND 1 STYLE AND 2 CLASS
NSN5310-00-146-0781
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A187-3 · 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: 0.750 INCHES NOMINAL IN
•
THREAD SERIES: UNS
•
THREAD PITCH DIAMETERS: +0.5667 TO 0.5693 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.594 INCHES IN
•
NUT HEIGHT: 0.156 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.750 INCHES NOMINAL IN
THREAD SERIESUNS
THREAD PITCH DIAMETERS+0.5667 TO 0.5693 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.594 INCHES IN
NUT HEIGHT0.156 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLEHEXAGON
THREAD QUANTITY PER INCH24
SUBSTITUTES & CROSS-REFERENCES 2
5310EG017-3Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
QAP00318Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 A187-3?
A187-3 is a INSIGNIA,SHOULDER SLEEVE.
What parts can replace A187-3?
There are 2 known substitutes for A187-3: 5310EG017-3, QAP00318. Substitute compatibility should be verified for your specific system.
What is the NSN for A187-3?
A187-3 is cataloged in the U.S. Government catalog under NSN 5310-00-146-0781. This indicates validated use in U.S. government and defense supply chains.
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