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03-890 — FILTER UNIT,AIR PURIFICATION SYS

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

03-890: FILTER UNIT,AIR PURIFICATION SYS.

FILTER UNIT,AIR PURIFICATION SYS. Key specifications include end_item_identification: WSDC: ABN; CAGE 03950, part_name_assigned_by_controlling_agency: RPB HX5/PX5 PAPR PR; PRE-FILTERS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-763-0802, 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
03-890
NSN: 5310-00-763-0802
NIINs: 007630802, 017187067
FSC: 5310 — Nuts and Washers
CAGE: 59500 — TENNANT COMPANY (USA)
SPECIFICATIONS
end_item_identificationWSDC: ABN; CAGE 03950
part_name_assigned_by_controlling_agencyRPB HX5/PX5 PAPR PR; PRE-FILTERS
NSN5310-00-763-0802
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 03-890 · 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
•
OVERALL DIAMETER: 1.185 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
PERIPHERAL SHAPE STYLE: ROUND
•
MATERIAL: STEEL OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.595 INCHES NOMINAL IN
•
THICKNESS: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
OVERALL DIAMETER1.185 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
PERIPHERAL SHAPE STYLEROUND
MATERIALSTEEL OVERALL
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.595 INCHES NOMINAL IN
THICKNESS0.093 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 03-890?
03-890 is a FILTER UNIT,AIR PURIFICATION SYS.
What is the NSN for 03-890?
03-890 is cataloged in the U.S. Government catalog under NSN 5310-00-763-0802. 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.