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RM440 — CONTROL UNIT,AUTOMA

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

RM440: CONTROL UNIT,AUTOMA.

The CONTROL UNIT,AUTOMA is a the manufacturer industrial component. Key specifications include end_item_identification: IEWS/OBS. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-058-4241, 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→ RM440
NSN: 5310-00-058-4241
NIINs: 000584241, 011234415, 014718006
FSC: 5310 — Nuts and Washers
CAGE: 77122 — TRW ASSEMBLIES AND FASTENERS GROUP FASTENERS DIV (USA)
SPECIFICATIONS
end_item_identificationIEWS/OBS
NSN5310-00-058-4241
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: RM440 · 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: 0.250 INCHES NOMINAL IN
•
GRIPPING NOTCH QUANTITY: 1
•
MATING MEMBER DIAMETER ACCOMMODATED: 0.112 INCHES NOMINAL IN
•
NUT HEIGHT: 0.076 INCHES NOMINAL IN
•
NUT STYLE: STAMPED
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.250 INCHES NOMINAL IN
GRIPPING NOTCH QUANTITY1
MATING MEMBER DIAMETER ACCOMMODATED0.112 INCHES NOMINAL IN
NUT HEIGHT0.076 INCHES NOMINAL IN
NUT STYLESTAMPED
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
525-532-9004Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
RM440000EBFReference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RM440?
RM440 is a CONTROL UNIT,AUTOMA. It is classified as a MRO (MRO_GENERAL).
What parts can replace RM440?
There are 2 known substitutes for RM440: 525-532-9004, RM440000EBF. Substitute compatibility should be verified for your specific system.
What is the NSN for RM440?
RM440 is cataloged in the U.S. Government catalog under NSN 5310-00-058-4241. 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.