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701988 — VALVE,CALIBRATED FLOW

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

701988: VALVE,CALIBRATED FLOW.

The VALVE,CALIBRATED FLOW is a the manufacturer industrial component. Key specifications include hole_diameter: 0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN, hardness_rating: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM, outside_diameter: 0.588 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN, style_designator: FLAT EXTERNAL TEETH, surface_treatment: CADMIUM OVERALL, material_thickness: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-514-6674, 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
701988
NSN: 5310-00-514-6674
NIINs: 005146674, 012472614
FSC: 5310 — Nuts and Washers
CAGE: Z1286 — EBSRAY PUMPS PTY LTD (AUS)
SPECIFICATIONS
materialSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
hole_diameter0.320 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN
hardness_rating40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
outside_diameter0.588 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
style_designatorFLAT EXTERNAL TEETH
surface_treatmentCADMIUM OVERALL
material_thickness0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
end_item_identificationA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
nondefinitive_spec/std_dataB TYPE
material_document_and_classification66 FED STD ALL MATERIAL RESPONSES OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-514-6674
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 701988 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
HARDNESS RATING: 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: FLAT EXTERNAL TEETH
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD ALL MATERIAL RESPONSES OVERALL
•
OUTSIDE DIAMETER: 0.588 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
•
NONDEFINITIVE SPEC/STD DATA: B TYPE
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORFLAT EXTERNAL TEETH
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD ALL MATERIAL RESPONSES OVERALL
OUTSIDE DIAMETER0.588 INCHES MINIMUM AND 0.610 INCHES MAXIMUM IN
MATERIAL THICKNESS0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN
NONDEFINITIVE SPEC/STD DATAB TYPE
SURFACE TREATMENTCADMIUM OVERALL
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
MATERIALSTEEL COMP 1050 OR STEEL COMP 1551 OR STEEL COMP 1552 OR STEEL COMP 1053 OR STEEL COMP 1055 OR STEEL COMP 1059 OR STEEL COMP 1060 OR STEEL COMP 1561 OR STEEL COMP 1064 OVERALL
SUBSTITUTES & CROSS-REFERENCES 10
5310PL1866793Reference document
Same NSN cross-reference
Reference document — Informative reference only
87525Reference document
Same NSN cross-reference
Reference document — Secondary reference
138485Reference document
Same NSN cross-reference
Reference document — Secondary reference
MS35335-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
1A502Reference document
Same NSN cross-reference
Reference document — Secondary reference
114605Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 701988?
701988 is a VALVE,CALIBRATED FLOW.
What parts can replace 701988?
There are 10 known substitutes for 701988: 5310PL1866793, 87525, 138485 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 701988?
701988 is cataloged in the U.S. Government catalog under NSN 5310-00-514-6674. 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.