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Technical Data Sheet
PartsTable / COMPONENT / C321-2
C321-2 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The TAPE,INSULATION,ELECTRICAL is a the manufacturer tape media or drive component used in enterprise backup, archival, and disaster recovery environments. Key specifications include material: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL, special_features: 2 INCH PVC 45 DEGREE IN, end_item_identification: VARIOUS APPLICATIONS, media_for_which_designed: WATER-OIL-GAS SINGLE RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-397-5576, 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
C321-2
NSN: 4730-01-397-5576
FSC: 4730
CAGE: 2Y247 — SOUTHERN PLUMBING & HEATING SUPPLY CORP (USA)
SPECIFICATIONS
materialPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
special_features2 INCH PVC 45 DEGREE IN
end_item_identificationVARIOUS APPLICATIONS
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
NSN4730-01-397-5576
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C321-2 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
MATERIAL: PLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
TYPICAL APPLICATIONS
  • Long-term data archival and compliance retention
  • Offsite backup and disaster recovery
  • Air-gapped ransomware protection
  • Cold storage tier for infrequently accessed data
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MATERIALPLASTIC POLYVINYL CHLORIDE (PVC) OVERALL
END ITEM IDENTIFICATIONVARIOUS APPLICATIONS
SPECIAL FEATURES2 INCH PVC 45 DEGREE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
GGG-F-325 TY10CL2STBInterchangeable
interchangeable cross-reference
interchangeable
A-A-2313 TY2Interchangeable
interchangeable cross-reference
interchangeable
NIC 05886Interchangeable
interchangeable cross-reference
interchangeable
1881 1-2INInterchangeable
interchangeable cross-reference
interchangeable
32 1-2INInterchangeable
interchangeable cross-reference
interchangeable
1237 1-2INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C321-2?
C321-2 is a TAPE,INSULATION,ELECTRICAL.
What parts can replace C321-2?
There are 16 known substitutes for C321-2: GGG-F-325 TY10CL2STB, A-A-2313 TY2, NIC 05886 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C321-2?
C321-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-397-5576. 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