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A1804 — INSIGNIA,SHOULDER SLEEVE

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

A1804: 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, GOLDENLIGHT 67107, AND PURPLE 67115, attachment_method: HOOK FASTENER, features_provided: EMBROIDERED, design_designation: 321ST CIVIL AFFAIRS BRIGADE, UNITED STATES ARMY RESERVE, unpackaged_unit_width: 2.00 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-740-1017, 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
A1804
NSN: 5330-00-740-1017
NIINs: 007401017, 015289623, 016606668, 017170611, 017170612
FSC: 5330 — Packing and Gasket Materials
CAGE: 46522 — DCM MANUFACTURING, INC. (USA)
SPECIFICATIONS
user_designatorMAN AND WOMAN
special_featuresFULL COLOR, WITH WHITE 67101, GOLDENLIGHT 67107, AND PURPLE 67115
attachment_methodHOOK FASTENER
features_providedEMBROIDERED
design_designation321ST CIVIL AFFAIRS BRIGADE, UNITED STATES ARMY RESERVE
unpackaged_unit_width2.00 INCHES MAXIMUM IN
department_designationUS ARMY
unpackaged_unit_height3.00 INCHES MAXIMUM IN
nondefinitive_spec/std_dataI TYPE AND 1 STYLE AND 2 CLASS
NSN5330-00-740-1017
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: A1804 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
•
CROSS-SECTIONAL THICKNESS: 0.094 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: METAL AND NONMETALLIC MATERIALS
•
OUTSIDE DIAMETER: 1.625 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.094 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEMETAL AND NONMETALLIC MATERIALS
OUTSIDE DIAMETER1.625 INCHES NOMINAL IN
APERTURE DIAMETER1.375 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
7401017Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A1804?
A1804 is a INSIGNIA,SHOULDER SLEEVE.
What parts can replace A1804?
There is 1 known substitute for A1804: 7401017. Substitute compatibility should be verified for your specific system.
What is the NSN for A1804?
A1804 is cataloged in the U.S. Government catalog under NSN 5330-00-740-1017. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.