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Technical Data Sheet
PartsTable / COMPONENT / 218037
218037 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

CAPACITOR,FIXED,PAPER DIELECTRIC. Key specifications include special_features: APA6000 AMMONIA/MONOCHLORAMINE REAGENT 3, HYPOCHLORITE SOLUTION, 1 L, end_item_identification: 6630-01-571-7779 WATER QUALITY CONTROL SET, part_name_assigned_by_controlling_agency: HYPOCHLORITE SOLUTION 1L. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-027-6263, 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
218037
NSN: 5305-01-027-6263
FSC: 5305
CAGE: 66503 — WOODWARD, INC. DIV FUEL SYSTEMS AND CONTROLS (USA)
SPECIFICATIONS
special_featuresAPA6000 AMMONIA/MONOCHLORAMINE REAGENT 3, HYPOCHLORITE SOLUTION, 1 L
end_item_identification6630-01-571-7779 WATER QUALITY CONTROL SET
part_name_assigned_by_controlling_agencyHYPOCHLORITE SOLUTION 1L
NSN5305-01-027-6263
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 218037 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL THREAD DIAMETER: 0.164 INCHES IN
•
WIDTH ACROSS FLATS: 0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD CLASS: 3A A
•
FASTENER LENGTH: 0.500 INCHES NOMINAL IN
•
HEAD STYLE: FLAT CHAMFER
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2400-2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
TYPICAL APPLICATIONS
  • RAID cache protection during power loss events
  • Write-back cache enablement for storage controllers
  • Enterprise server data integrity assurance
  • Hot-swap battery/capacitor replacement in production
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.164 INCHES IN
WIDTH ACROSS FLATS0.141 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
THREAD CLASS3A A
FASTENER LENGTH0.500 INCHES NOMINAL IN
HEAD STYLEFLAT CHAMFER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAMS 2400-2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 4037 OVERALL
HEAD HEIGHT0.159 INCHES MINIMUM AND 0.164 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
218037Interchangeable
interchangeable cross-reference
interchangeable
21803700Interchangeable
interchangeable cross-reference
interchangeable
7266Interchangeable
interchangeable cross-reference
interchangeable
6630NCM127741Interchangeable
interchangeable cross-reference
interchangeable
2776553Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 218037?
218037 is a CAPACITOR,FIXED,PAPER DIELECTRIC.
What parts can replace 218037?
There are 5 known substitutes for 218037: 218037, 21803700, 7266 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 218037?
218037 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-027-6263. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026