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600981 — RETAINER,CONTROL RUDDER

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

600981: RETAINER,CONTROL RUDDER.

The RETAINER,CONTROL RUDDER is a the manufacturer industrial component. Key specifications include end_item_identification: SEA WATER FILTER, general_characteristics_item_description: BRONZE,ONE END,SILVER BRAZED,THD,2ND END,O-RING FACE SEAL,USED ON SHIP PIPING. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-208-5333, 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
600981
NSN: 5310-00-208-5333
NIINs: 002085333, 003298079, 010188316, 011497870
FSC: 5310 — Nuts and Washers
CAGE: 06650 — BELL AND HOWELL PHILLIPSBURG CO CORPORATE OFFICES (USA)
SPECIFICATIONS
end_item_identificationSEA WATER FILTER
general_characteristics_item_descriptionBRONZE,ONE END,SILVER BRAZED,THD,2ND END,O-RING FACE SEAL,USED ON SHIP PIPING
NSN5310-00-208-5333
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 600981 · 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: 0.312 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
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NOMINAL THREAD SIZE: 0.138 INCHES IN
•
NONDEFINITIVE SPEC/STD DATA: A TYPE
•
NUT HEIGHT: 0.109 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.312 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.138 INCHES IN
NONDEFINITIVE SPEC/STD DATAA TYPE
NUT HEIGHT0.109 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
NUT STYLEHEXAGON
THREAD CLASS1B
THREAD QUANTITY PER INCH32
SUBSTITUTES & CROSS-REFERENCES 4
NHT601-3Reference document
Same NSN cross-reference
Reference document — Secondary reference
981P5Reference document
Same NSN cross-reference
Reference document — Secondary reference
71646Reference document
Same NSN cross-reference
Reference document — Secondary reference
MILS933TYPEAReference document
Same NSN cross-reference
Reference document — Identification reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 600981?
600981 is a RETAINER,CONTROL RUDDER.
What parts can replace 600981?
There are 4 known substitutes for 600981: NHT601-3, 981P5, 71646 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 600981?
600981 is cataloged in the U.S. Government catalog under NSN 5310-00-208-5333. 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.