NSN catalog · 90,857 partsCatalog › Hardware and Abrasives › FSC 5360 › 5360-01-278-9723
Helical Extension Spring P/N 12341665
Not on our shelf — we can source itNSN 5360-01-278-9723 5360012789723 NIIN 012789723
NSN 5360-01-278-9723 — Helical Extension Spring — is item 20 of figure 238, Attendant Seat, M996, M996A1, M997, M997A1, and M997A2 Ambulance, in TM 9-2320-280-24P. It is not on our shelf right now, and we can source it: tell us the quantity and we will come back with availability and a price, usually the same business day. Low-cost part: quoted by the line, $50 minimum per line.
- FLIS item name
- SPRING,HELICAL,EXTENSION
- Federal supply class
- FSC 5360 — Coil, Flat, Leaf, and Wire Springs
- Platform
- HMMWV parts
In the parts manual
| Manual | Figure | Item | Fits |
|---|---|---|---|
| TM 9-2320-280-24P | Fig. 238 — Attendant Seat, M996, M996A1, M997, M997A1, and M997A2 Ambulance | 20 | HMMWV: M996, M996A1, M997, M997A1, M997A2 |
From the Army repair parts manual's parts list and its usable-on codes. The figure page shows the exploded drawing and every other part in the assembly.
Specifications
- Inside diameter
- 0.450 in (nominal)
- Opening width
- Second End Inches Nominal 0.190
- Spring free length
- 3.230 in (nominal)
- Coil quantity
- 25-1/2
- Design type
- Closed
- Load rating
- 19.00–20.00 lb
- Coil helix direction
- Right-Hand or Left-Hand
- Spring deflection rate
- Pounds Per Inch Nominal 18.700
- Spring free outside diameter
- 0.620 in (nominal)
- Hook radius
- Second End Inches Nominal 0.095
- Spring length under load
- 3.800 in (nominal)
- Coil to hook inside length
- Second End Inches Nominal 0.490
- Coil to hook inside length
- First End Inches Nominal 0.450
- Material
- Overall Steel Uns K08500
- Material document and classification
- Overall Assn STD Single Material Response Ast- A228
- Surface treatment
- Overall Zinc and Chromate
- Surface treatment document and classification
- Overall Assn STD All Treatment Responses Ast- B663
From the federal catalog's item characteristics for this NSN. Confirm critical dimensions against your part or drawing before ordering.
Questions
Is NSN 5360-01-278-9723 available?
SECO Parts does not have NSN 5360-01-278-9723 (Helical Extension Spring) on the shelf right now. Request a quote and we will source it: we find hard-to-find NSNs every day and answer within one business day.
What does NSN 5360-01-278-9723 fit?
TM 9-2320-280-24P lists NSN 5360-01-278-9723 in figure 238 (Attendant Seat, M996, M996A1, M997, M997A1, and M997A2 Ambulance), item 20. On the HMMWV it fits m996, M996A1, M997, M997A1, M997A2.
How much does NSN 5360-01-278-9723 cost?
NSN 5360-01-278-9723 is a low-cost part, so SECO quotes it by the line rather than by the piece: there is a $50 minimum per line.
What is NSN 5360-01-278-9723?
NSN 5360-01-278-9723 (5360012789723) is the NATO Stock Number for helical extension spring in federal supply class 5360 (Coil, Flat, Leaf, and Wire Springs).
What part numbers cross-reference to NSN 5360-01-278-9723?
Part numbers that cross-reference this NSN include 12341665, 5592011-B. SECO can source against any of them.
Cross-reference part numbers
12341665 5592011-B
Shown for identification only. We can source against any of these numbers.
Logistics data
| Source of supply | SMS DLA Land and Maritime, Columbus, Ohio |
| Acquisition advice code | Z Insurance/numeric stockage objective — held by the government as insurance stock for contingencies, not for routine issue |
| Unit of issue | EA each |
| Demilitarization code | A Demilitarization not required — non-munitions-list item |
| Controlled inventory code | U Unclassified |
| Hazardous material indicator | N No hazardous material |
Source: public FLIS/PUB LOG cataloging data.