The Envelope,sterilization, cataloged under National Stock Number 6530-01-153-6370, is classified within Federal Supply Class 6530 (Hospital Furniture, Equipment, Utensils, and Supplies) of the Medical, Dental, and Veterinary Equipment group. The manufacturer of record is Bard C R Inc Macbick Medsystems Div. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: PG.
| Parameter | Value |
|---|---|
| NSN | 6530-01-153-6370 |
| Primary Part Number | 221731 |
| Item Name | Envelope,sterilization |
| FSC / FSG | 6530 / 65 — Hospital Furniture, Equipment, Utensils, and Supplies |
| Manufacturer | Bard C R Inc Macbick Medsystems Div |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | PG |
| Part Number | Manufacturer |
|---|---|
| 221731 PRIMARY | Bard C R Inc Macbick Medsystems Div (USA) |
| Reference | Meaning |
|---|---|
| NU-731 | 5/9 Secondary reference American Sterilizer Company Dba Amsco Sterility Assurance Products |
NSN 6530-01-153-6370 is a Envelope,sterilization, manufactured by Bard C R Inc Macbick Medsystems Div, classified under FSC 6530, Hospital Furniture, Equipment, Utensils, and Supplies. Status: active.
NSN 6530-01-153-6370 has 1 manufacturer part number on file: 221731 (Bard C R Inc Macbick Medsystems Div).
2 possible matches (shared part number, not a government interchangeability claim): 4730-01-567-6238, 4820-01-654-7717. Verify interchangeability with system specifications before substitution.
Key specifications for 221731: Special Features: ENVELOPE, STERILIZATION; PLASTIC; DISPOSABLE; 4 BY 9 BY 2 INCHES; CLEAR ON ONE SIDE; STRIPE TURNS DARK BROWN WHEN AUTOCLAVED; UNIT PKG QTY: 50 IN; Part Name Assigned by Controlling Agency: ENVELOPE STERILZ PLAS DISP 4X9X2" CLR ONE SIDE STM/GAS 500S. 0 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.