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B21-1 — B21-1

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

B21-1: B21-1.

The B21-1 is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, special_features: COLOR BLUE, SERIAL NUMBER 1536171101, style_designator: CYLINDRICAL, fsc_application_data: ULTRASONIC DEGREASER/CLEANER,MODEL CUVD-1609, supplementary_features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200, end_item_identification: JACK HYDRAULIC. This part is cataloged in the U.S.

Government catalog under NSN 5330-01-004-4900, 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→ B21-1
NSN: 5330-01-004-4900
NIINs: 010044900, 012965908, 014438612, 017329302
FSC: 5330 — Packing and Gasket Materials
CAGE: 04042 — INDUSTRIAL ACOUSTICS COMPANY, INC. DBA I A C DIV IAC ACOUSTICS (USA)
SPECIFICATIONS
materialSTEEL OVERALL
special_featuresCOLOR BLUE, SERIAL NUMBER 1536171101
style_designatorCYLINDRICAL
fsc_application_dataULTRASONIC DEGREASER/CLEANER,MODEL CUVD-1609
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
end_item_identificationJACK HYDRAULIC
part_name_assigned_by_controlling_agencySPRING
NSN5330-01-004-4900
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: B21-1 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
•
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-7212-234-21-1Reference 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 B21-1?
B21-1 is a B21-1. It is classified as a MRO (MRO_GENERAL).
What parts can replace B21-1?
There is 1 known substitute for B21-1: B-7212-234-21-1. Substitute compatibility should be verified for your specific system.
What is the NSN for B21-1?
B21-1 is cataloged in the U.S. Government catalog under NSN 5330-01-004-4900. This indicates validated use in U.S. government and defense supply chains.
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