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B21-3 — INSIGNIA,SHOULDER SLEEVE

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

B21-3: INSIGNIA,SHOULDER SLEEVE.

The INSIGNIA,SHOULDER SLEEVE is a the manufacturer industrial component. Key specifications include special_features: ACU, MULTICAM PATTERN, EMBROIDERY BLACK HAN CABLE 67147; SEWING THREAD COLOR BAGBY GREEN HDD 67204, attachment_method: HOOK FASTENER TAPE, cloth-fabric_name: WIND RESISTANT POPLIN OVERALL, features_provided: EMBROIDERED, design_designation: CHAPLAIN, CHRISTIAN FAITH, unpackaged_unit_width: 2.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-004-4902, 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→ B21-3
NSN: 5330-01-004-4902
NIINs: 010044902, 014438596, 015899109, 015899116
FSC: 5330 — Packing and Gasket Materials
CAGE: 04042 — INDUSTRIAL ACOUSTICS COMPANY, INC. DBA I A C DIV IAC ACOUSTICS (USA)
SPECIFICATIONS
special_featuresACU, MULTICAM PATTERN, EMBROIDERY BLACK HAN CABLE 67147; SEWING THREAD COLOR BAGBY GREEN HDD 67204
attachment_methodHOOK FASTENER TAPE
cloth-fabric_nameWIND RESISTANT POPLIN OVERALL
features_providedEMBROIDERED
design_designationCHAPLAIN, CHRISTIAN FAITH
unpackaged_unit_width2.000 INCHES NOMINAL IN
department_designationUS ARMY SERVE IN AFGHANISTAN
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
unpackaged_unit_length2.000 INCHES NOMINAL IN
end_item_identificationAN/UYQ-70(V)
criticality_code_justificationFEAT
NSN5330-01-004-4902
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B21-3 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
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SUPPLEMENTARY FEATURES: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
TECHNICAL CHARACTERISTICS
SUPPLEMENTARY FEATURESCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
SPECIAL FEATURESSTYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200
SUBSTITUTES & CROSS-REFERENCES 1
B-7212-234-21-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
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 B21-3?
B21-3 is a INSIGNIA,SHOULDER SLEEVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace B21-3?
There is 1 known substitute for B21-3: B-7212-234-21-3. Substitute compatibility should be verified for your specific system.
What is the NSN for B21-3?
B21-3 is cataloged in the U.S. Government catalog under NSN 5330-01-004-4902. This indicates validated use in U.S. government and defense supply chains.
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